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Prince Edward Island Frost Laws

2020 Prince Edward Island frost laws, seasonal load weight and speed restrictions.

Spring frost laws and weight restrictions for Island roads will begin at 12:01 a.m. on Friday, March 15, 2020.

Frost/thaw law for PEI.

For Prince Edward Island all weather roads, such as routes 1 and 2: Vehicles may carry up to their maximum allowable weight with no overweight exceptions permitted. Other roads: Vehicles may carry 75 percent of their maximum allowable weight during frost law (thaw law) season. Only the road’s posted weight limit is permitted and if the laws are not observed a fine may be levied.

It is important for truck drivers and trucking company dispatchers to make certain they are operating in accordance with the Prince Edward Island posted frost laws, seasonal load weight and speed restrictions that are posted. Changes to these restrictions is subject to change hourly during the winter and spring months. You are expected to be aware of these changes and operate accordingly. It is possible that heavy fines may be levied as well as your truck being ordered out of service and not permitted to travel. We suggest you bookmark this page for future reference.

Seasonal weight restrictions limit the maximum weight of vehicles allowed to travel on certain roads as a way to help prevent damage and protect investment in the roadways.

Late winter and early spring driving in this province has its own set of challenges. Previously frozen roads become more vulnerable to damage as they thaw out and soften. Heavy vehicles travelling over paved roads can make it worse by causing the pavement to crack and break up.

What is frost law and why are they necessary?

When pavement thaws during the daytime and freezes at night it is potentially damaging to the road. In order to prevent this “frost laws” are implemented in order to prevent costly damages to the road.

How are roads damaged by frost thawing or the road freezing?

Water from melted ice and snow seeps into cracks in the pavement and softens the gravel underneath. When the water beneath the surface freezes again, it expands and breaks the pavement, causing potholes. If ice continues to form under the pavement from a steady supply of water, it can push the entire surface of the road upward causing the washboard like unevenness (ripple) known as “frost heaving.” These damages are permanent and costly to repair.

Why are Prince Edward Island roads more vulnerable to seasonal damage?

Prince Edward Island consists of a high concentration of silty soil which collects and holds more water beneath the roadway surfaces, making the roads more susceptible to frost heaving and potholes despite any drainage measures that have been put into place.

What are the classifications of roads under weight restrictions?

  • All-weather roads, such as routes 1 and 2: Vehicles may carry up to their maximum allowable weight – with no overweight exceptions permitted.
  • Other roads: Vehicles may carry 75 percent of their maximum allowable weight.
  • Posted weight limits: Only the road’s posted weight limit is allowed.

Contact information:

Department of Transportation, Infrastructure and Energy
3rd Floor, Jones Building
11 Kent Street,
P.O. Box 2000,
Charlottetown, PE C1A 7N8

Phone: 902-368-5100
Fax: 902-368-5395

If you have questions about the frost/thaw laws as well as any other road related inquiries send a e-mail to: roads@gov.pe.ca

Prince Edward Island Seasonal Weight Restrictions:

https://www.princeedwardisland.ca/en/information/transportation-infrastructure-and-energy/seasonal-weight-restrictions

Learn about frost laws in other Canadian provinces.

Please share your knowledge with others by commenting below:

British Columbia Frost Laws

2020 British Columbia frost laws, seasonal load weight and speed restrictions.

2020 Seasonal Load Restrictions.

The British Columbia Ministry of Transportation and Infrastructure maintains an frequently updated database that posts frost law notices and seasonal load restrictions by region. Depending on the region weight restrictions may already be in place while others are scheduled to take place imminently.

NEW: Get on the e-mail notification list to be notified of seasonal load restriction changes for the following areas in British Columbia:

The link below includes an interactive map with links to 28 regions. Each region posts its current road conditions and any weight restrictions imposed. The current map indicates restrictions from “no weight restrictions” to “50%” of rated axle weights restrictions. It also includes access to recently updated load restrictions and road reports. British Columbia is excellent about providing up to date information about their frost laws and when they are in effect. It is important for truck drivers and trucking company dispatchers to make certain they are operating in accordance with the posted frost laws, seasonal load weight and speed restrictions that are posted. Changes to these restrictions is subject to change hourly during the winter and spring months. You are expected to be aware of these changes and operate accordingly. It is possible that heavy fines may be levied as well as your truck being ordered out of service and not permitted to travel. We suggest you bookmark this page for future reference.

  • South Vancouver Island.
  • Central Vancouver Island.
  • North Vancouver Island.
  • Howe Sound,
  • Sunshine Coast.
  • Lower Mainland.
  • Fraser Valley.
  • South Okanagan.
  • Kootenay Boundary.
  • Central Kootenay.
  • East Kootenay.
  • Selkirk.
  • Okanagan-Shuswap.
  • Nicola.
  • Thompson.
  • South Cariboo.
  • Central Cariboo.
  • North Cariboo.
  • Fort George.
  • Robson.
  • South Peace.
  • North Peace.
  • Nechako.
  • Lakes.
  • Bulkley Nass.
  • Skeena.
  • North Coast.
  • Stikine.

 

British Columbia:

http://www.th.gov.bc.ca/roadreports/RRMonitor.aspx

http://www.th.gov.bc.ca/bchighways/loadrestrictions/loadrestrictions.htm

Learn about frost laws in other Canadian provinces.

Please share your knowledge with others by commenting below:

 

Alberta frost law restrictions.

2020 Alberta frost laws, seasonal load weight and speed restrictions.

Just like any other Province Alberta has seasonal frost laws. However The Alberta Ministry of Transportation offers a e-mail notification service on their website to drivers who wish to stay up-to-date and legal on the latest road ban orders and seasonal weight restrictions. According to the website seasonal weights for heavy haul trucking are set according to the following schedule:

Spring: weather dependent, subject to thaw depth readings and begins at same time as Period 1 (weather dependent, subject to thaw readings of at last 25 cm.

Winter: weather dependent, subject to frost depth readings of one meter or more. In winter, trucking weights can be greater because the pavement is less vulnerable when the ground beneath it is frozen, providing support.

Seasonal Weights

Seasonal weights for heavy haul trucking are set according to the following schedule:

  • Spring: weather dependent, subject to thaw depth readings of at least 25 centimeters and begins at same time as Period 1 weights for service rigs
  • Post-Thaw: June 16 (may begin one week earlier or one week later)
  • Summer: July 1
  • Fall: September 1
  • Winter: weather dependent, subject to frost depth readings of 75 centimeters or more.

Seasonal weights for service rigs are set according to the following schedule:

  • Period 1: weather dependent, subject to thaw depth readings of at least 25 centimeters and begins at same time as Spring weights for heavy haul
  • Period 2: June 16 (may begin one week earlier or one week later)
  • Period 3: July 16
  • Period 4: September 1

Alberta also publishes a “Road Ban List” of major highways. Typically, the document lists weight restrictions of 90% of 75% of permitted axle weights. Access to the bans list can be viewed here: https://www.alberta.ca/road-restrictions-and-bans-overview.aspx#form15865

The most recent frost/thaw line can be viewed here: Thaw/Contour Map

You can contact the Alberta Ministry of Transportation by e-mail: central.permits@gov.ab.ca for general frost law inquiries. Contact information for City, County and other municipalities can be viewed here.

It is important for truck drivers and trucking company dispatchers to make certain they are operating in accordance with the Alberta posted frost laws, seasonal load weight and speed restrictions that are posted. Changes to these restrictions is subject to change hourly during the winter and spring months. You are expected to be aware of these changes and operate accordingly. It is possible that heavy fines may be levied as well as your truck being ordered out of service and not permitted to travel. We suggest you bookmark this page for future reference.

Seasonal weight restrictions limit the maximum weight of vehicles allowed to travel on certain roads as a way to help prevent damage and protect public investment in the roadways.

Learn about frost laws in other Canadian provinces.

Please share your knowledge with others by commenting below:

2020 Frost laws introduction and overview.

2020 Frost laws introduction and overview.

Frost/thaw damages to surface.

Frost/thaw damages to surface.

2020 frost laws, seasonal load weight and speed restrictions by State/Province (USA and Canada).

Section 1. The United States: Restrictions and guidance on seasonal weight restriction laws.

Many states incorporate temporary special weight limits and restrictions (frost laws) during the spring months of the year. These temporary restrictions are usually referred to as “frost laws” and implemented typically during the month or March and April. In some Northern States and Provinces frost laws can still be in effect in July as it’s much colder in the North. Since these restrictions are implemented on a “as needed” basis it is possible many of the official government websites may not have published this temporary restriction in a convenient place as frost laws are also subject to change at any moment based on the temperature of the roads core. You want to be certain to check with the appropriate department officials to verify the latest changes in the laws.

It is very typical for States and Provinces to not be clear about their exact weight requirements during frost law season. This gives them the opportunity to examine each proposal individually on a case-by-case basis to determine if any damages may occur at the time should the shipment be approved. Information may only be available by contacting the SPECIFIC DEPARTMENT. The axle weight limits and spacings are determined by many factors including road conditions, temperature, moisture content in the soil, etc. Note multiple weight limits can be in effect at the exact same time in different parts of the region due to temperature as well as the actual construction of the road.

Visit any of the links below to view state frost laws:

Idaho Iowa Maine Michigan Minnesota  Montana Nevada  New Hampshire  New York North Dakota   Pennsylvania  South Dakota  Vermont Washington  Wisconsin  Wyoming

Section 2. Canada: Restrictions and guidance on seasonal weight restriction laws.

Many Canadian provinces issue spring frost law weight restrictions in the month of March and current Province websites may not be all inclusive of temporary changes in their laws. It is wise to check with the province’s DOT office (or appropriate department) for the most current and latest frost law information.

Visit any of the links below to view province frost laws:

Alberta British Columbia Manitoba New Brunswick Nova Scotia  Ontario  Prince Edward Island Quebec  Saskatchewan

Protection of our roads and highways.

There’s a delicate balance between protecting roadways during the spring thaw. In order to keep the trucking industry operating the Northern US states and Canadian provinces rely on engineers and scientific data to determine which dates frost laws will be in effect. With fairly recent advances in science and technology, data is much more reliable. This helps with the implementation of “Frost Laws” or “Seasonal Weight Restrictions” ensuring they are not implemented to early or late. While no State or Province desires to delay the transportation of goods through their territory it is imperative public assets are protected.

In areas that constantly get negative temperatures the amount of damages has forced Northern US States as well as Canadian Provinces to create and enact laws that restrict vehicle weights during spring months (specifically trucking companies), when the roads and bridges are thawing. There are all kinds of things that can go wrong with different types of roads and pavements. For example the State of Michigan has implemented permanent frost laws that go into effect during the months of March through May (and in some cases even June). Some routes require the legal axle weight limits be decreased by as much as 35%. Some States and local governments may also limit heavy-haul vehicle speeds to a maximum of 35 miles per hour during the frost law months regardless of posted limits.

Most major highways are constructed in 3 layers. The top layer you see or the pavement usually averages about 4″ to 6″ in thickness depending on it’s age. This layer of pavement is supported by 2 more layers. One is called the base layer and the other a sub-base layer. Together these three layers are typically at least 36″ in depth with most much more thicker. For instance in Southern Oregon on old US Highway 1 which follows the coast line from Mexico to Canada the road is a much as 16 feet thick as years of pavement has been laid. It should be noted that today’s technology is able to provide us with roads that are flexible due to the engineering of the construction process and the materials used. Excessive weight exerted by overloaded axles (or a weakened supporting base) can cause the pavement to bend or deform. The strength of the road combined with its resistance to bending determines the amount of weight the roadway can handle.

Road building technology has improved significantly during the last decade. The most obvious winter damage is the occurrence of potholes that are the result of moisture in the pavement freezing and weakening the top layer of the road. However, modern road building materials significantly reduce the amount of moister retained in the top layers, reducing the occurrence of pot holes. The base and sub-base however are still subject varying amounts of moisture that is influenced by rain, run-off and general moisture content during the spring months.

Roadways are built to carry normal maximum axle and gross weights based a certain level of residual moisture in the layers of the road bed. During the normal winters in the northern states and Canadian provinces, water in the soil typically freezes down to depths of a meter or more, preventing excess water from escaping. In fact, some areas in Canada allow up to a 25% increase in axle and gross weights because the solidly frozen base layers strengthen the road structure. During the spring thaw, however, axle and gross weights may be reduced by as much as 35%.

What exactly are frost laws?

Frost laws are seasonal restrictions on traffic weight limits and speeds on roadways subject to thaw weakening.

During the spring thaw, the roadbed is softened by trapped moisture beneath the pavement, reducing the supporting strength of the road to less than the original construction strengths. As the excess moisture evaporates or drains away, the road bed will stabilize and return to normal design strengths.

Because of the variability of temperatures each year States and Provinces must manage maximum weight and speed restrictions on a seasonal basis to both protect and preserve roads and ensure maximum access to trucking interests.

“Seasonal weight restrictions” typically start in early March and continue through mid-June. Since conditions vary from year to year, from below-normal to above-normal temperatures, most states and provinces reserve the authority to adjust spring load restrictions based on observed seasonal rain and temperature conditions, weather forecasts, as well as soil moisture sampling, to determine the dates for setting and removing weight restrictions. Weight restrictions remain in effect until sufficient moisture has escaped and the roadbeds regain stability. The most significant pavement damage occurs during the first four weeks after the onset of spring thaw.

Some states plan seasonal weight restrictions. For example, Pennsylvania schedules restrictions from February 15th to April 15th based on years of weather data. However, they reserve the authority to post additional restrictions due to unforeseen severe weather conditions.

The State of North Dakota has taken a much more different approach. They utilize temperature probes in the base layer sections, long range temperature forecasts, and sensors in the pavement to evaluate the strength of roadway bases to forecast when load restrictions should be imposed or removed.

A review of transportation  departments indicates 16 states have implemented frost laws or seasonal load restrictions. In many states, seasonal weight restrictions are managed by local governments or jurisdictions. Most Canadian provinces also have established spring thaw speed and weight laws.

Note: The strength of a roadway is affected by moisture in the base materials supporting the roadway. The condition of road surface—moisture or frost on the roadway—does not affect roadway strength.

In general, during the spring thaw, maximum axle weights and gross vehicle weights will be reduced as much as 35%. Each state or province has established maximum axle and gross vehicle weights for key national and state trucking routes.

Because these spring load restrictions will vary so widely by state, and even within a state and because seasonal restrictions may be posted on short notice, it is best to check each state’s freeze/thaw laws prior to each trip. Links to seasonal restriction information for each US state or Canadian province are posted above.

Frost laws are created for the States and Providences in the USA and Canada that experience very low temperatures in the winter months frost laws may be enacted.  These frost laws have been created to protect the State of Providences from highway and road damage caused by the surface cracking which is a direct result of too much weight being placed on the pavement which causes stress cracks thus damaging it.  Also, when the freezing temperatures start to thaw out at times the water can not escape quickly which will cause the water to build up which can weaken the base structure of the road or highway which again causes damages the the pavement.  Damages from thawing are just as severe if not even more extreme than frozen damages as they occur to the upper structure of the pavement rather than the base structure.  In some areas during the winter months actual federal weight limits for the trucking industry (80,000 pounds gross) have been reduced with a reduction in driving speeds as well.  This reduction has been observed as high as 35% in weight and even more in maximum speeds.  Some States and Providences close winter and spring travel in certain areas.

It is very important that managers of trucking and transportation companies are aware of the open and closed months, days and times these particular laws are in effect as you can’t make an arrangement with a customer to ship their item if the state will not let you ship it due to frost or thaw laws being in effect. We are creating a contact list (EDIT ADD LINK)  of each state that has frost laws enacted for the trucking industry for you to contact for further information.

It is important for you to check with the DOT, DMV, Port of entry or governing office of that particular area for clarification of the specific rules and regulations.

Alberta DOT Shipping Regulations

Province of Alberta DOT shipping regulations, limitations, rules and laws for the trucking of oversize and over weight loads over the roads and highways in the Province of Alberta.

Alberta Canada oversize and overweight shipping regulations.

Alberta Canada official coat of arms.

 Please share your expertise or knowledge with our other visitors below.

Trucking & pilot car directory.

Locate trucking companies and pilot car companies in Alberta:

Alberta trucking company directory.
Live pilot cars in Alberta.



Legal load limits.

Alberta DOT legal load limits:

Length: The overall maximum length allowed in Alberta without a permit is 23 meters (75′ 3″).
Width: The maximum width allowed is 2.6 meters (8′ 6″‘).
Height: The maximum height allowed in Alberta is 4.15 meters 13′ 7″.
Weight: 6,000 kg maximum on steer axle. Tandem axles: 17,000 kg. Tridum axels is 17,000 kilograms (37,478.6 lbs) as well. All axle weights are subject to the size of the tire.
Overhang: We have no information on allowable overhang in Alberta. Please share your knowledge with others below.
Notes:

* Super single tires require “New Generation, Wide Base” tires with a minimum tire width of 445 mm. Available by permit only. Super single tires do not apply to the steering axle.
** These weights for tridem axles apply to provincial highways only. The maximum weight for a tridem axle on a municipal road is 17,000 kg. Permits may be available to achieve heavier weights.
*** All axle weights are subject to minimum tire size. The maximum weight per tire shall not exceed the lesser of the tire manufacturer’s weight rating or the width of the tire stamped on the sidewall multiplied by 10 kg/mm.
Source: Alberta Transportation

Routine trucking permits.

Oversize and overweight trucking permits that are routinely issued by the Alberta DOT:

Length: 52 meters (170′ 8″) is about the maximum length you can get by with on a routine permit.
Width: 14′ 7″ wide depending on routing  for routine trucking permits.
Height: 5.3 meters (17′ 5″) in height is the cut off point for routine permits of course contingent on routing.
Weight: Weight is where you run into a problem. Alberta wants to know every single detail down to the size of tire you are running. Routing being a huge issue we can’t state a “routine” weight as it all depends on your axle spacings, combinations and tire sizes. Just for a safe number we’re going to say a routine permit caps out at 43,359.2 kilograms (100,000 lbs).
Overhang: 6.09 meters is about the most you can get on routine depending on routing.

Superload information.

Alberta superload information:

The maximum width normally allowed is 7.32 meters (24′) so anything over this width is a superload. We are researching information pertaining to shipping superloads in the province of Alberta Canada. If you happen to have expertise or knowledge of trucking superloads in this province please share your information for our other viewers below. Thank you.

Permitted travel times & restrictions.

Alberta DOT travel times and restrictions for oversize and overweight trucking:

The rule of 1/2 hour before sunrise until one full hour after sunset is observed in Alberta. Travel is allowed on Fridays until 3pm in the afternoon for loads that exceed 3.85 meters in width (12′ 7″) (WE WILL NEED TO DOUBLE CHECK THIS AS IT WAS LEFT AS A CORRECTION COMMENT BELOW). Travel is otherwise allowed and unrestricted on Saturdays unless stated on your permit.  Night travel is permitted for loads that are over length as long as you have 1 rear pilot car/escort vehicle and are on multiple lane roads. If your shipment is no longer than of 42 meters (137′ 10″) on a single lane road you will be required to have1 front pilot car/escort vehicle and 1 rear pilot car/escort vehicle. Weekend travel is permitted for loads that are over length only. If your shipment is in excess of 4.45 meters (14′ 7″) in width you will be permitted to travel only during daylight hours. If over 3.85 meters (12′ 7″) in width you may not travel on Sundays. There is not travel permitted on the following holidays: New Years day, Provincial day, Good Friday, Victoria day, Canada day, Family day, Labour day, Thanksgiving day, Remembrance day, Christmas day and on Boxing day.

Adverse weather conditions: If adverse weather conditions are reported you may not proceed with your shipment and are required to remain where ever you are. If adverse weather conditions interrupt your shipment you are required to pull over at the nearest suitable location even if it is on the side of the road unless you are over width. Over width loads must continue until they are able to completely turn off of the road and remain until adverse weather conditions stop. If your shipment is over 4.45 meters (14′ 7″) in width or 5.32 meters (17′ 5″) in height you are not permitted to travel with snow or fog visibility less than 150 meters (492′), if the road is covered with snow or ice or sleet or any other conditions that may effect the driver from proceeding with the absolute safety in mind first and foremost.

Frost laws: Alberta does have frost laws but when they are in effect changes every year based on testing with a heat flow model that measures to 30 cm below the surface. So, if you are shipping during the spring months you will need to call the number below for the exact frost law restriction dates. There are exemptions which include milk and bread trucks, farm machinery, water, fuel, fertilizer, mail and buses.

When pilot cars are required.

If your shipment is in excess of any of the following you will be required to have a pilot car escort you:

Length: If your shipment is in excess of 34 meters (111′) in overall length you are required to have 1 rear pilot car on single lane roads. For shipments in excess of 38 meters (124′ 8″) you are required to have 1 front pilot car/escort and 1 rear pilot car/escort.
Width: If your shipment is in excess of 3.85 meters (12′ 7″) wide you are required to have 1 front pilot car/escort on a single lane road or one rear pilot car/escort on multiple lane roads. For shipments over 4.45 meters (14′ 7″) wide require 1 front pilot car/escort and 1 rear pilot car/escort on single lane roads. If your shipment is in excess of 5.5 meters (18′) you are required to have 1 front and 1 rear pilot car/escort vehicle on all roads.
Height: Alberta does not normally use pilot cars with high poles as they have designated routes for shipments that are over height. You can view the routes on the Alberta DOT high load corridor page located here.
Weight: As long as your shipment can maintain the minimum required speed limit you will probably not be required to have a pilot car/escort by the Alberta DOT.
Overhang: If you have overhang that is over 6.5 meters (21′ 4″) you will be required to have 1 rear pilot car/escort vehicle. If your shipment overhang is in excess of 9 meters (29′ 6″) you will be required to have 1 front and 1 rear pilot car/escort vehicle.

Pilot car requirements.

Pilot car (escort vehicle) requirements for operating in Alberta province are as follows:

Pilot car/escort vehicle operators are NOT required to take any sort of DOT certification course in order to operate in Canada. Your vehicle is required however to have a lighted sign box that is a minimum of 180 cm x 35 cm x 10 cm (72″ x 14″ x 4″), 2 – 175 mm (7″) diameter flashing lights mounted on the top of the sign box on each side with 2 amber strobing or rotating lights a minimum of 203 mm (8″) mounted between the flashing lights on top of the box as well. The sign box must light up and be visible from a minimum distance of 200 meters (656′). The sign box must have either a red and white D sign or a yellow with black lettering stating “OVERSIZE LOAD”, “WIDE LOAD”,  OR “LONG LOAD”. If you have the “D” sign your letter must be no less than 20 cm (8″) in height with a 4 cm (1 5/8″) line thickness. If you have the yellow sign your lettering must be no less than 20 cm (8″) with a 4 cm (1 5/8″) line thickness. The sign box must be mounted on the top of the vehicle and covered when not in operation. You are also expected to have the following items inside of the vehicle: CB radio or high powered 2-way radio, first aid kit, fire extinguisher type A, B & C of at least a 2 liters, 3 reflective road triangles, 3 traffic cones, reflective vest (worn while working), slow/stop sign, 3 red or orange safety colored flags no less than 40 x 40 cm (16″ x 16″), nose cone flashlight and a hard hat.

Shipment, truck & trailer markings.

Truck, trailer and shipment required signs, banners and flags:

All trucks that are hauling oversize or overweight loads must have a strobing, flashing or rotating amber light mounted to the roof that is visible from 360 degrees at a minimum distance of 200 meters (656′). All 4 outermost corners corners of the overall shipment and any obtrusive points must have flags mounted to them that are safety red or orange in color no less than 40 cm x 40 cm (16″ x 16″) and have the flags exchanged for lighting if moving during the night. A sign stating the nature of the load; “OVERSIZE LOAD”, “WIDE LOAD” or “LONG LOAD” must be mounted to the front and rear of the overall shipment. Signs must be a minimum of 12′ in height and 6′ in width with a yellow background and black letting with lettering thickness no less than 4 cm (1 5/8″) thick.

Alberta DOT and other information.

Alberta DOT contact  and other information:

Alberta DOT & Central Permit Office
Telephone help line: 403-342-7138 toll free (all of North America): 800-662-7138
Fax: 403-340-5278
Road ban information: Current road bans. Toll free (all of North America): 855-762-3226
6 AM until 12 Midnight Monday – Friday
7 Am until 10 PM on weekends and holidays – MOUNTAIN TIME ZONE

Alberta current road restrictions from construction maintenance and spring thaw law. Excellent resource!
Alberta Canada truck driver hours of service.
Alberta Canada road and weather conditions.
Alberta DOT permit office website.

The information contained in these pages is research information primarily for use by oversize and overweight trucking company drivers, dispatchers and pilot car companies. While every effort is put into maintaining the accuracy of this information you must absolutely verify this information with the Alberta Province DOT Permits office before commencing movement.


 

Ontario shipping regulations

Ontario shipping regulations

These are the Province of Ontario DOT shipping regulations, limitations, rules and laws for the trucking of oversize and over weight loads over the roads and highways in the Province of Ontario.

The oversize rules, laws and regulations for Canada consist of a lot of pages and a lot of information on all of these pages. We’ve been working on consolidating all os this information in order to supply the best of it to our web viewers but as you can see it still needs work. Hopefully you can find what you need by right clicking on the page then click “find” or “locate in page” depending on which browser you are using. Credit is due here to the Ontario Ministry of Transportation as most of this material has been extracted from their (source) shipping guide.

 

Maximum width:

Vehicle including load – 2.6 m

Exceptions:
Raw forest products (en route) – 2.8 m
Road service vehicles as defined in Part X of the HTA and such vehicles while they are travelling to and from a maintenance site or repair centre – no specified limit
Loose fodder (including rectangular and round bales of hay – no specified limit

Maximum Length:

Single vehicle including load – 12.5 m

Exceptions:
A fire apparatus
A semi-trailer
An articulated bus

Maximum Length:

Semi-trailer including load – 14.65 m

Definition of semi-trailer: A vehicle that is towed by another vehicle and is so designed and used that a substantial part of its weight and load rests on, or is carried by, the other vehicle or a trailer converter dolly through a fifth wheel assembly.
Note: Does not include any extension in length caused by auxiliary equipment or machinery not designed for carrying a load.
Maximum Length (Combination):

Combination vehicles and loads – 23 m

Maximum Height:

Vehicle and load – 4.15 m

Maximum Weight:

Maximum shipping weight allowances are determined using axle configurations and spacings. A permit is required if the axle and/or gross vehicle weight exceeds the limits set out in the HTA. See e-Laws: Highway Traffic Act Regulation 413/05 – Vehicle Weights and Dimensions — for safe, productive and infrastructure-friendly vehicles.

Farm equipment shipping rules and regulations in Ontario Canada:

Over dimensional farming tractors, harvesters, planters, machinery  machinery, farm tractors, self-propelled implements of husbandry (SPIH) carried on a plated motor vehicle or plated trailer drawn by a motor vehicle are subject to the need for an over dimensional permit.
When an Overweight Permit is Required
The province of Ontario issues permits for overweight vehicles and/or loads when the dimensions and/or weight exceed the limits set out in the Highway Traffic Act.
Permits are issued for indivisible vehicles and/or loads when, if separated into smaller loads or vehicles, would:
Compromise the intended use of the vehicle or load, i.e. make it unable to perform the function for which it was intended,
Destroy the value of the load or vehicle, i.e. make it unusable for its intended purposes or,
Require more than 8 (eight) work hours to dismantle using appropriate resources and equipment.
Permit is issued for the movement of overheight however:

The load must not be made up of articles loaded or mounted one on top of the other in a manner that will create additional height.
Permit is issued for the movement of overwidth however:

The load must not be made up of articles loaded or mounted side by side or crosswise in a manner that will create additional width.
Permit is issued for the movement of overlength however:

The load must not be made up of articles loaded or mounted one behind the other that will create additional length, and any overhang to the rear must not exceed 4.65 m from the center of the rearmost axle.
Permit is issued for the movement of overweight however:

The load must not be made up of more than one article. When crossing bridges, vehicles over 45,000 kg gross weight must be operated at the lowest practicable speed. Bridge postings and load restrictions pursuant to Part VII of the HTA apply.

Bulldozers: An exception may be made in the case of bulldozer blades. Permits are issued for the movement of bulldozers with blades attached up to, and including, 4.27 m in width. The blade must be angled to reduce the overall width of the load when attached to the bulldozer. The blade must be removed when the blade is greater than 4.27 m in width. Bulldozers with blades attached that are 4 m to 4.27 m in width require a private escort warning vehicle.

Permit Application Process
Application forms must be completed in full and may be submitted by fax, e-mail, mail or in person at an Ontario Ministry of Transportation (MTO) Permit Issuing Office.
Permit application forms and guidelines for completing the application are available on the ministry website. You can also visit an Ontario Ministry of Transportation (MTO) Permit Issuing Office.
Incomplete applications will be returned.
Prior to obtaining an overdimensional permit, there may be other requirements that must be met in order to travel in Ontario, e.g. CVOR, National Safety Code (NSC), etc. Contact MTO at 416-246-7166 ext 6302 or 1-800-387-7736 ext 6302 (Ontario only) to find out about the requirements for operating in Ontario.
It is the operator’s responsibility to comply with registration, fuel tax, and other federal and provincial/state regulations and procedures.
For registration in the International Fuel Tax Agreement (IFTA), contact the Ministry of Finance, Motor Fuels and Tobacco Tax Branch at 1-800-263-7775 for service in English or 1-800-668-5821 for service in French.
To obtain a US DOT (Department of Transportation) operating number, or an operating authority in the USA, call 1-800-832-5660.
To contact municipalities in order to obtain municipal overweight permits, visit the Association of Municipalities of Ontario website: Your Local Government.
To register in the International Registration Plan (IRP), contact MTO at one of the following offices:
Barrie (978) 92 Commerce Park Drive, Unit 4, Barrie ON L4N 8W8
Tel: (705) 739-6368 Fax: (705) 739-6300
Port Hope (959) 138 Hope Street Norht, Port Hope, ON L1A 2P1
Tel: (905) 885-8318 Fax: (905) 885-4268
TorontoToronto (991) (Downsview) 2680 Keele Street, Building E, Room 159, Downsview, ON M3M 1G7
Tel: 416-235-4774 Fax: 416-235-5299
Windsor (932) 150 Ouellette Place, Suite 210, Windsor ON N8X 1L9
Tel: (519) 972-0237 or (519) 972-8866 Fax: (519) 972-8341

Superloads or extreme moves: It is possible that Ontario may require that a bond, or other security, sufficient to cover the cost of repairing possible damage to the highway be posted before issuing the permit.
A permit grants the movement of overweight loads on highways under provincial jurisdiction. Municipalities may accept ministry permits or issue their own for highways under their jurisdiction. The carrier must contact the appropriate municipalities to ensure compliance with local laws.

Types of Permits:
The ministry issues four types of permits; Annual, Project, Single Trip and Special Vehicle Configuration. Each overweight permit will have specific conditions attached and these must be strictly adhered to. The permit may be terminated for breach of any condition and the permit holder may be subject to prosecution.

Permits must be carried and produced on demand by a police officer or an officer appointed for carrying out the provisions of the Highway Traffic Act. Permit holders accept responsibility for any and all damage that may be caused to overhead wires, structures, highways, encroachments or railway right of ways. Permits may be terminated at the discretion of the Registrar of Motor Vehicles for the breach of permit conditions.
If travel on Highway 407/ETR is planned, you must supply the transponder serial number and plate number(s) of the vehicle(s) planning to travel on Highway 407/ETR. When applying for a single trip or project permit, you must indicate the specific entry and exit points from Hwy 407/ETR when specifying your route. Annual permit holders are permitted to travel on Hwy 407/ETR provided that the carrier complies with the requirement for a transponder. For more information on Highway 407/ETR visit their website.

Annual Permits

An annual permit is valid for 12 months from the date of issue on all King’s highways. The annual permit also allows travel on Highway 407 ETR provided that the commercial vehicle has a valid transponder. The maximum dimensions permitted on an annual permit are as follows:
Single vehicle:
length 12.50 m, including a maximum rear overhang of 4.65 m
weight as per the Highway Traffic Act
Combination vehicles:
length 25 m, including a maximum rear overhang of 4.65 m
to obtain overweight privileges up to 63,500 kg, contact an MTO office
Note: rear overhang may be greater than 4.65 m with the Weight & Load Engineer’s approval.
Width: 3.70 m on two lane highways and 3.85 m on multi-lane highways (standard for both single and combination vehicles)
Height: 4.26 m (standard for both single and combination vehicles)

Annual permit applications are normally processed within 10 to 15 business days of receipt. In order to avoid delays in obtaining an annual permit, please ensure the permit request is submitted a minimum of 30 days prior to the requested start date of the permit.

Project Permits

A project permit is issued to allow contractors to move similar loads, objects and structures over the same specified route for a period of up to, and including 6 months, depending on the duration of the contract.
Applicants for project permits must attach a copy of the contract to the application. The letter of contract must be written on company letterhead and include the following information:

  • Name and address of the carrier
  • Contract number (if available)
  • Duration of the contract
  • Description of the product being transported
  • Origin of load and destination with complete route specified including municipal roads

Once all required documentation has been received, traffic and construction concerns will be assessed prior to the approval and issuance of a permit.
The weights and dimensions provided must be load specific. Therefore, the weights and dimensions specified on the actual permit are those of the load and not the maximum allowable limit. The maximum dimensions permitted on a project permit are as follows:
Combination vehicles:
length up to 36.75 m including a 4.65 m rear overhang, no height limit provided that the load is on a float type trailer (heights of 4.30 m or greater require a route clearance), and height up to 70,000 kg

Single vehicle:
Length: 12.50 m, including a 4.65 m rear overhang
Height: up to 4.26 m
Weight: as per the Highway Traffic Act
Width: up to 4.30 m (standard for both single and combination vehicles).
Note: escort vehicles may be required
Single Trip Permits

A single trip permit is issued to facilitate an overweight move for a one way trip along a specified route for a limited time period. Some applications may require review by the Permit Issuing Office (Head Office) in St. Catharines.
The following dimensions are permitted on single trip permits:
Length: combination vehicles from 23 m to 45.75 m
over 45.75 m (must be submitted to the St Catharines Permit Issuing Office)
single vehicle 12.50 m
Width: from 2.61 m to 5 m (any permit office)
over 5.00 m (must be submitted to the St Catharines Permit Issuing Office)
Height: 4.16 m or greater
maximum height permitted on a flatbed trailer is 4.26 m
Weight: up to 120,000 kg subject to Weight & Load Engineer’s approval
Single vehicle: maximum length is 12.50 m, including an overhang up to 4.65 m
maximum height is 4.26 m
Metric Conversion: Ontario measurement standards are in metric. To convert imperial measurement to metric:
Convert measurement to inches and multiply by 0.0254, e.g.,
9’6″ = (9′ x 12) + 6″
= 108″ + 6″
= 114″
114″ x 0.0254 = 2.89 metres
Convert weight from pounds to kilograms, divide pounds by 2.205,e.g., 154,000 lbs ÷ 2.205 = 69,841 kgs
When applying for a single trip permit, a carrier should apply at a minimum of 24 hours prior to the proposed move date but MTO suggests applying 2 to 3 days prior to the move to allow the Permit Issuing Office sufficient time to process the permit request.
When applying for a permit with exceptional dimensions over 5 m in width, and/or 45.75 m or greater in length, and/or over 120,000 kg, a carrier should submit their application to St. Catharines Permit Issuing Office at least 5 days prior to the proposed move date due to the more involved approval process. The approval process requires a minimum of 72 hours and may take up to 14 days prior to processing.
Loads that are in excess of 120,000 kg, gross vehicle weight, and/or 6 metres in width intending to travel on two lane highways or 7 metres in width if traveling on multilane highways, and/or 45.75 metres in length, are considered to be “superloads”. “Superloads” are not considered to be routine applications and will require additional time for consideration and processing. Applications for “superloads” will require supplementary documentation and be subject to a thorough review by the Ministry of Transportation’s Weight and Load Engineer as well as various senior Ministry management personnel as circumstances may warrant.
Documentation must clearly demonstrate the requirement to make the intended move on the province’s highways; this is done through a Project Justification. The Project Justification would normally include, but is not limited to the following:
Alternate means of transportation (e.g. rail, water, or possibly air) must have been thoroughly investigated and documentation outlining why these methods are not being pursued is to be provided.
Detailed description of the load including engineering drawing where applicable – illustrating the construction of the item and indicating why the item cannot be reduced down in size or weight.
Detailed description of the project the item is intended for, including – construction schedule, consequences of late delivery, economic benefits associated with the project.
Based on the Project Justification documents submitted, the ministry will consider the necessity of permitting the move. Upon satisfactory justification of the project, the applicant will need to provide:
For gross vehicle weights in excess of 120,000 kg, the Ministry of Transportation requires the applicant to hire a designated consultant engineer to evaluate the bridges on route, and submit the evaluation for approval. A list of approved bridge consulting engineers is available from the MTO, St Catharines Permit Issuing Office.
A Traffic Management Plan defining in detail all aspects of the intended move, including:
Detailed escort requirement and procedures identifying the responsibility of all units involved (OPP and private).
Detailed route survey indicating all appropriate locations for road closures, pull-over areas, emergency parking, fuel stops, significant turning movements and any anticipated roadside related activities such as restricting roadside parking.
Contingency plans for breakdowns.
Municipalities requiring separate permits.
All documentation will be subjected to review and approval by MTO prior to the issuance of permits. Consideration will only be given to the move if it can be satisfactorily proven to be absolutely necessary.
Special Vehicle Configuration

Special Vehicle Configuration permits are issued for vehicles that vary from the requirements of the HTA and regulations. The purpose of Special Vehicle Configuration permits is to harmonize configurations, weights and dimensions applicable to a class of vehicles with those of any other jurisdiction; to allow for a trial of a vehicle; or to allow for a variance from a limit within a specific geographical area.

Contact the St. Catharines Permit Issuing Office for special vehicle configuration permits.

Permit Fees
The following fees are effective January 1, 2013.
Annual Permit: $400
Project Permit: $260
Single Trip Permit: prices vary, see below
Oversize: $65
Overweight : weight up to 120,000 kg, travel on provincial highways
up to 100 km: $125
from 101 km to 500 km: $200
over 500 km: $260
Overweight over 120,000 kg, regardless of travel distance: $700
Oversize and overweight:
the same prices as for the overweight permits listed above.
Special Vehicle Configuration: refer to HTA s110.1 (10)
Method of Payment:
Credit card (VISA, MasterCard or American Express)
All personal cheques must be certified unless payment is sent by mail
Cash for walk in clients only
Night Moves
Night moves are allowed for all permit types with certain restrictions provided that all conspicuity requirements are met.

Criteria 1:  Overlength/Overwidth

Moves allowed: Night moves are allowed for vehicles and loads up to, and including, 3.05 m wide and 25 m long.
Routes: Night moves are restricted to multi-lane controlled access highways with a median. The lane width on these types of highways is 3.75 m.

Criteria 2:  Overheight/Overweight

Moves allowed: Night moves are allowed for vehicles and loads up to, and including, 4.26 m high and 63,500 kg.
Routes: All King’s highways.

Conditions For Both Criteria

Conspicuity Requirements: Conspicuity requirements must be met during a night move. These requirements consist of the extremities being marked with a solid amber lamp(s) visible in the front and rear, conforming to SAE Code P2 or P3 with markings to appear on the lamp(s), and a retro-reflective “D” sign must be present.
Weather Conditions: Night moves are restricted when inclement weather conditions prevail. Inclement weather is described as the following:
“No travel is allowed when road conditions, weather conditions, or visibility make traveling hazardous to the operator or to the driving public. Conditions shall be deemed to be hazardous upon any accumulation of ice or snow on the roadway or if the continuous use of windshield wipers is required. Vehicles that are underway when inclement weather occurs shall exit the road at the first available location and park in a safe place until the weather and road conditions clear.”

Note: overweight moves are allowed for all permit types on statutory holidays, and the preceding day of a statutory holiday, with restrictions.

Statutory Holidays:

New Year’s Day
Family Day – very nice!
Good Friday (Easter)
Victoria Day
Canada Day
August Civic Holiday
Labour Day
Thanksgiving
Christmas Day
Boxing Day – far out!

Overweight moves are allowed between ½ hr before sunrise and noon on a statutory holiday for dimensions that do not exceed:
width of 3.70 m on two lane highways and 3.85 m on multi-lane highways
length no greater than 25 m for combination vehicles and 12.50 m for single vehicles
height maximum of 4.26 m
weight no greater than 63,500 kg.
Restrictions

Movement of vehicles and/or loads in excess of the dimensions listed above, is not permitted to travel on a statutory holiday.
Preceding Day:

Preceding day means the day before a statutory holiday restriction. If the statutory holiday is a Saturday, Sunday or Monday, the preceding day is the Friday. If the statutory holiday is on any other day of the week, the preceding day is the day before the holiday.
Moves Allowed

Overweight moves are allowed all day on the preceding day of a statutory holiday for dimensions that do not exceed the following dimensions:
width of 3.70 m on two lane highways and 3.85 m on multi-lane highways
length no greater than 25 m for combination vehicles and 12.50 m for single vehicles
height maximum 4.26 m
weight no greater than 63,500 kg.
Restrictions

Vehicles and/or loads in excess of the dimensions listed above are only allowed to travel between ½ hour before sunrise and noon on the preceding day of a statutory holiday.
Weekend Moves
Weekend moves are allowed for all permit types with certain restrictions on dimensions. Weekend moves also have restrictions during summer months.
Saturdays and Sundays:

Moves Allowed

Overweight moves are allowed all day Saturday and Sunday for dimensions that do not exceed the following dimensions:
width of 3.70 m on two lane highways and 3.85 m on multi-lane highways
length no greater than 25 m for combination vehicles and 12. 5 m for single vehicles
height maximum 4.26 m
weight no greater than 63,500 kg.
Sunday Restrictions in Summer Months

Sunday travel is not permitted between noon and midnight during the restricted summer months of June, July, August (Southern Ontario) and July and August (Northern Ontario) for any overweight vehicles and/or loads.
Fridays:

Moves Allowed

Over dimensional moves are allowed all day for all dimensions except during summer restrictions.
Friday Restrictions in Summer Months

Travel is not permitted between 3:00 pm and midnight during the restricted summers months of June, July, August (Southern Ontario) and July and August (Northern Ontario) for any overweight vehicles and/or loads.

Exceptions

Travel between 3:00 pm and midnight on Fridays during summer restrictions may be permitted for vehicles and/or loads with heights up to, and including, 4.26 m and overall weight not exceeding 63,500 kg.
Long Wheelbase Tractors

Ontario Regulation 413/05 have reaffirmed Ontario’s preference in restricting the wheelbase of tractor units to the 6.20 meter national standard. The wheelbase dimension is measured from the center of the steer axle to the center of the drive axle group (typically the middle of the drive axles). Carriers specialized in the transportation of overweight (O/O) indivisible loads will frequently operate over length tractors to accommodate additional axles, heavier duty suspensions, and/or sliding fifth wheel assemblies for proper weight distribution. These requirements are generally acknowledged by our Ministry, and these carriers are routinely authorized to operate this fleet of specialized vehicles for routine “permitted” transportation of lighter O/O loads. This accommodation, however, is not intended to inadvertently authorize operation of over length tractors equipped with large sleeper berths or living quarters, frequently utilized in other jurisdictions.
Permit issuing staff have been instructed to verify tractor wheelbase dimensions and should they suspect that a carrier is unnecessarily utilizing an over length tractor, they are to ask for clarification and/or support documentation defining the requirements for the over length tractor. Rationale such as on-board generators are frequently unjustified due to their compact size and abundant availability of portable rental units suitable for most applications. Carriers should expect to provide a photograph of the combination in support of their justification.
Congested Traffic
Vehicles and/or loads travelling under a single trip or project permit are subject to a congested traffic condition when travelling in the Greater Toronto Area (GTA).
The condition below applies to all single trip and project permits with dimensions that exceed the following dimensions:
width of 3.70 m on single highways, 3.85 m on multi-lane highways
length exceeding 25 m
height exceeding 4.26 m
weight in excess of 63,500 kg.
Condition:

This permit is not valid for vehicles travelling in the directions entering the Greater Toronto Area (GTA) between the hours of 7:00am to 9:30am and vehicles travelling in the directions exiting the GTA between the hours of 3:30pm to 6:30pm in the area described as being west of Thickson Rd (Hwy 401); south of King Road (Hwy 400) or Stouffville Road (Hwy 404); and east of Trafalgar Road (Hwy 401), Hwy 8 (Hwy403) to junction 403/407ETR/QEW (QEW).
This permit is not valid for vehicles travelling in the directions exiting the GTA between the hours of 7:00 to 9:30 am, and vehicles travelling in the directions entering the GTA between the hours of 3:30 to 6:30pm in the area described as being west of Whites Road (Hwy 401); south of King Road (Hwy 400) or Stoufville Road (Hwy 404; and east of Hwy 10 (Hwy 401) or Bronte Road (QEW).
Designated Area

G.T.A. Restrictions
Outlined Area — Inbound A.M. and Outbound P.M.

East Limit Thickson Road
North Limit King Road (400), Stouffville Road (404)
West Limit Trafalgar Road (Highway 401), Junction of Highway 403 / 407 ETR / QEW (QEW), Highway 8 (Highway 403)
South Limit Highway 2 (Lakeshore Road)
All travel restricted on: Highway’s 427, 410, 403 (Mississauga Loop)

Shaded Area — Outbound A.M. and Inbound P.M.

East Limit Whites Road, Rouge River
North Limit King Road (400), Stouffville Road (404)
West Limit Highway 10 (401), Highway 25 Bronte Road (QEW)
South Limit Highway 2 (Lakeshore Road)
All travel restricted on: Highway’s 427, 410, 403 (Mississauga Loop)
A.M. time restrictions are 7:00 – 9:30 a.m.
P.M. time restrictions are 3:30 – 6:30 p.m.

 

Ontario travel time restrictions.

No travel times and restrictions in Ontario Canada.

Permit Conditions
Conditions contained on all overweight permits must be strictly adhered to. The permit may be terminated for breach of any condition and the permit holder may be subject to prosecution.
Permits issued are not valid in combination with any other permits issued under Section 110.
Security of Loads

Loads being moved under an overweight permit must be firmly bound, or otherwise secured or loaded, in such a manner that no portion of the load may become dislodged or fall from the motor vehicle or trailer on which they are being transported. Regulation 614 under the HTA governs the security of loads and sets out the requirements for various types of loads.
A carrier may apply for an exemption from Regulation 614 when moving an exceptionally large or heavy piece of equipment.
In order to receive an exemption from Regulation 614, the application form must be completed and submitted along with a letter and diagram indicating in detail why the requirements of Regulation 614 cannot be adhered to. The permit will indicate the exemption if it is granted.
Note: The exemption only applies to the Regulation and not to Section 111(2) of the HTA.
Bonds

MTO may require that a bond, or other security, sufficient to cover the cost of repairing possible damage to the highway, be posted before issuing a permit.
Any of the following circumstances may be sufficient to warrant a bond being posted:
where loading on tires must exceed 11 kg per millimeter width,
where loading on axle must exceed 10,000 kg during reduced load period,
where total gross vehicle weight exceeds 120,000 kg subject to engineering analysis of bridge structures and geo-technical assessment of roadway structure,
where overweight vehicles must be routed over substandard bridge structures subject to engineering analysis of bridge structures, or
deemed to be warranted by the Director of the Carrier Safety and Enforcement Branch.
The value of the bond will be determined by the ministry and is not subject to negotiation. The carrier may be required to pay for the services of ministry approved geo-technical and/or structural consultants to assess conditions and evaluate any damages caused by the move.
Flags, Signs and Lighting

Vehicles and/or loads in excess of HTA legal dimensions require special flags and signs. When travelling at night, conspicuity markings must also be met.
Flags:

Vehicles and/or loads in excess of dimensions prescribed under Section 109 of the Highway Traffic Act shall be marked with bright red or orange warning flags of not less than 40 cm square and shall be mounted to the extremities of the vehicle or load. The flag(s) must be kept in good and clean condition so as to not diminish their effectiveness.
“D” Sign or “Oversize Load”:

In addition to flags described above, vehicles and/or loads must display on the front of the vehicle and the rear of the load, in a clearly visible position, a sign visible for a distance of at least 150 m bearing the words “OVERSIZE LOAD” in black letters at least 200 mm high with lines forming the letters at least 30 mm wide on a yellow background, or a “D” sign as illustrated below. When travelling under night moves, the sign shall be made of Level 1, high intensity retro-reflective material (CGSB 62-GP-11M). The sign shall be positioned as to not obstruct lights and other safety devices and removed or covered when not in use.

Canada oversize load sign.

Canadian oversize load sign.

Lighting:

Conspicuity requirements must be met during a night move. These requirements are over and above the lighting requirements set out in the HTA and consist of the extremities being marked with a solid amber lamp(s) visible in the front and rear conforming to SAE Code P2 or P3 with markings to appear on lamp(s).
When travelling under a night move, a retro-reflective “D” sign described above must be present.
Escort Requirements

A permit may be issued on the condition that the permit holder provides an escort vehicle(s) either preceding or following the overweight vehicle or load. A description of when an escort vehicle is required is as follows:
No Escort Required:
for widths from 2.61 m to 3.99 m
for lengths from 23.01 m to 36.75 m
for heights from 4.16 m to 4.86 m
When a Private Escort Warning Vehicle is Required:

Maximum widths:
from 4 m to 4.99 m- 1 escort vehicle required on multi-lane highways
from 4 m to 4.59 m – 1 escort vehicle required on two lane highways
from 4.6 m to 4.99 m – 2 escort vehicles required on two lane highways
One private escort warning vehicle is required to accompany the movement of the authorized load. The private escort warning vehicle shall be required to precede the load on two lane highways or follow the load on multi-lane highways.
A second private escort warning vehicle is required to follow the load authorized by this permit while travelling on two lane highways.

Maximum lengths:
from 36.76 m to 45.74 m – 1 escort vehicle required
rear overhang greater than 4.65 m – 1 escort vehicle required at the rear of load
Exceptions — see Mobile/Modular Homes below.
Height:
4.87 m and greater – 1 escort vehicle (pole car) required
Permit holder is responsible for all horizontal and vertical clearances along the route and must ensure that proper clearance(s) exist. A pilot escort vehicle equipped with a height pole 8 cm higher than the load must precede the load to ensure proper vertical clearances and communicate any obstructions to the driver of the permitted vehicle.

Private Escort Warning Vehicle Requirements:

Where a permit is issued on the condition that the permit holder provides a Private Escort Operator, Warning Vehicle and Equipment:
The escort vehicle(s) shall be operated by a fully (unrestricted) licensed driver of not less than 18 years of age with at least two years experience and a valid driver’s licence.
The escort vehicle(s) shall not have more than 2 axles and a wheelbase length of not less than 2.65 metres and shall be equipped with flashing amber warning lamp(s) located on the roof of the escort vehicle. Lighting shall consist of either a rectangular amber bar positioned perpendicular to the length of the escort vehicle or at least one amber warning lamp conforming to standard SAE J845 or J1318 Class 1 or 2. All lights shall be visible on a 360 degree basis from the vehicle. The lenses must be kept in good and clean condition, free from the accumulation of dirt, snow or pit markings, as to not diminish the effectiveness of the lamp.
Either a “D” or an “OVERSIZE LOAD” sign shall be used. [See “D” sign (as illustrated in Figure 1) attached. If using an “OVERSIZE LOAD” sign, the letters shall be in black on a yellow background]. The sign shall be mounted on the front and rear, or on the roof, of the escort vehicle. The sign shall not obstruct warning lights and other safety devices. If mounted on the roof, the sign shall be perpendicular to the length of the escort vehicle and shall be made of durable rigid material and must not interfere with the view of the light bar or warning light and the sign must be printed on both sides of the panel. The sign shall be removed or covered when not in use.
The escort vehicle(s) and towing vehicle(s) shall be equipped with a working two way radio communication device permitting direct communication between the vehicles.
The escort vehicle(s) shall be equipped with a fire extinguisher in effective working order, six 45 cm (18″) traffic cones and/or portable reflectors approved by the MTO, and extra bulbs to maintain all lights required by this schedule.
All units, including the escort vehicle(s), will be operated with headlights on when travelling on a highway and shall maintain a distance of 60 to 150 metres from the load being escorted.
Caution: Escort vehicles do not have traffic control authority. The escort driver must obey all traffic laws and regulations.

When A Minimum of Two Police Escort Vehicles are Required:

Width: 5 m and greater
Length: 45.75 m and greater
Weight: upon Weight and Load Engineer’s request
There may be instances where, due to the parameters of the highway, escort requirements may change. If necessary, the region(s) may require escorts when normally none are required or additional escorts to those already requiring escorts.
If a police escort is required, it is the carrier’s responsibility to make all arrangements for the escort through the Traffic Supervisor at the originating OPP District Headquarters. The OPP normally requires 14 working days to process an application, but there may be exceptions depending on the circumstances. The carrier must provide the date(s) of the move, the proposed route and particulars of the load. The OPP Traffic Supervisor is responsible for coordinating the escort for the entire move and will provide the carrier with written approval for the escort. This approval must be provided to the MTO permit issuer prior to a permit being issued.

Mobile/Modular Homes:

(This includes office and construction trailers and portable schoolhouse)
Mobile/modular homes greater than 29.25 m in length are not permitted to travel in convoy and require TWO private escort warning vehicles to accompany each load.
In addition to the above, annual and project permit holders must provide a private escort warning vehicle on the following highways when the load measurement meets or exceeds the listed widths:
3.00 meters:
528A, 538, 546, 564, 566, 580, 586, 587, 670, 671, 801, 802
3.35 meters:
510, 518, 524,525,528,529, 529A, 553, 556, 560A, 569, 570, 572, 573, 577, 595, 603, 605, 607A, 617, 619, 621, 633, 636, 639, 641, 645, 645, 661, 665, 804, 811, 7036
3.66 meters:
71, 105,101,125,129,130, 502, 516, 519, 527, 532, 540, 542, 547, 548, 551, 552, 557, 562, 563, 571, 579, 582, 585, 588, 589, 590, 593, 594, 597, 599, 600, 601, 602, 607, 608, 609, 611, 614, 615, 618, 622, 623, 625, 627, 628, 630, 631, 634, 638, 640, 642, 643, 644, 651, 657, 658, 664, 667, 668, 673
Highway 144:
From 20 km north of Highway 17 at Whitson Creek (Chelmsford) to the junction of Highway 144 and Highway 101:
For loads ranging in width between 3.66 and 3.99 meters, two private escort vehicles are required.
For loads ranging in width between 4.00 and 4.56 meters, one OPP escort at the front of the load and one private escort vehicle at rear of the load.
For widths greater than 4.57 meters, two OPP escorts are required, one at the front and one at the rear of the load.
Reduced Load Period:

Annual and project permits for moving heavy vehicles, loads, objects or structures in excess of legal weight limits are not valid on any King’s highway during the months of March and April (Southern Ontario) and March, April and May (Northern Ontario). Weights in excess of legal limits are only allowed when specifically authorized to do so under permit conditions.
For the purposes of this restriction the boundary between Northern and Southern Ontario is considered to be:
The Severn River to Regional Road 169 (formerly Highway 169)
Regional Road 169 from Washago to Highway 12
Highway 12, from Regional Road 169 to Highway 7, north of Sunderland
Highway 7 from Highway 12 to Regional Road 7B (formerly Highway 7B), at Carleton Place
Regional Road 7B to Regional Road 29 (formerly Highway 15), and
Regional Road 29 to Arnprior.
Permits are not valid on designated reduced load highways, which are posted according to Section 122(5) of the HTA, under any circumstances. There are very few reduced load highways under provincial jurisdiction. Schedules detailing highways subject to reduced loads are authorized and issued by the Highway Operations and Maintenance Division.
Single trip permits may be issued for movements on highways subject to reduced loading restrictions. However, the Weight and Load Engineer must approve these moves. Annual permits with special weight condition for specific axle weight configurations have an additional condition for reduced load periods.
Corridor Moves

Oversize and overweight trucking permits may be issued to Canadian or US carriers for movements within or through the province of Ontario under the following conditions:

if the move originates and terminates in Ontario;
if the move originates in Ontario and terminates in another province or territory;
if the move originates in another Canadian province or territory, or one of the states of the United States of America, and terminates in Ontario;
if the move originates in another Canadian province or territory and terminates in another/same Canadian province and/or territory, or one of the states of the United States of America, where Ontario is to be used as a corridor.
if the move originates in one of the states of the United States of America and terminates in another Canadian province or territory, where Ontario is to be used as a corridor.
if the move is a mobile home that originates and terminates in the United States of America, Ontario may be used as a corridor.
Note: Canadian or US operators, including Ontario operators, are not permitted to use Ontario as a corridor for state-to-state moves, except for MOBILE HOMES.
Ontario registration requirements must be met and the operator must be in possession of a valid operating authority.
No Convoy Moves

Convoy moves are not permitted. Each load must be separated by at least 45 minutes. When en route, a minimum spacing of 10km is required.
Clearance in Construction Zones

Annual and project permit holders may encounter construction zones where the horizontal clearance has been reduced to less than 3.70m or vertical clearance has been reduced to less than 4.26m. Before traveling through any construction zone, the permit holder is responsible for verifying clearances. Road construction reports can be obtained by visiting Traveller’s Information on the Ministry of Transportation website. Road information can also be obtained by calling the Ministry of Transportation Inquiry Centre at 1-800-268-4686. Cellular users can dial *ROAD or (416)235-1110 and listen to a recorded message will that provides daily updates of provincial construction projects and other pertinent information.

Permit Issuing Office Locations
St. Catharines (Head Office) #061

301 St. Paul Street, 3rd Floor, St Catharines, ON L2R 7R4
Tel: 416-246-7166 or 1-800-387-7736, Dept 4 Fax: 905-704-2545

 

 

The information contained in these pages is research information primarily for use by oversize and overweight trucking company drivers, dispatchers and pilot car companies. While every effort is put into maintaining the accuracy of this information you must absolutely verify this information with the Ontario Province DOT Permits office before commencing movement.

 

Road & highway conditions.
Permit office
Federal bridge formula.
What is a height pole?
What is a route survey?
Frost laws.
Frost laws in Ontario.