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Saskatchewan Frost Laws

On August 26, 2019   /   Frost law restrictions.   /   Leave a comment
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2020 Saskatchewan frost laws, seasonal load weight and speed restrictions.

The winter/spring season frost law restrictions will again be in in effect for many roadways in the Province of Saskatchewan this year according to information provided by the the provincial Ministry of Highways and Infrastructure. Typically, seasonal (spring) frost law restrictions that take effect in March.

Spring load restrictions on affected highways: The maximum load on steering axles is 10 kg per millimeter (560 lbs. per inch) width of tire (manufacturer’s stamped dimensions), to a maximum of 3 000 kg (6,612 lbs.) on each wheel but to a maximum of 5,500 kg (12 120 lbs.) on the steering axle; except for straight trucks on primary highways which are allowed up to a maximum of 7,250 kg (15,983 lbs.) on the steering axle with the appropriate tire size.

Maximum loads on all other wheels will be limited to 6.25 kg/mm (350 lbs. per inch) width of tire to a maximum loading of 1,650 kg per wheel (3,636 lbs.)

Maximum gross axle weights and tire sizes.

Colder temperatures during the winter months help freeze and strengthen roads. As a result more weight can be transported on provincial highways without damaging the road. This is a benefit to the trucking community.

The winter weight period that allows additional weight typically runs from November 16 through March 14. However, if weather remains mild the program may be postponed because without sufficient freezing, extra weight can damage pavement and the road beneath.

Winter Weights will not apply in the southwest area of the province until December 1 and will be removed on the last day of February due to historically milder climatic conditions.

Municipal roads are the responsibility of each rural municipality, who can set out their own weight limits. Weights can be restricted at any time by Minister’s order.

Saskatchewan is a large province with considerable difference in climate in the north and the south. The new change takes into account the climatic differences in the north and the south of the province while also maintaining the original intent of providing primary weight access for economic activities. In the north of the province, the annual weight increase on the 9-month primary highways will be same as before, from July 1 to March 31 of the following year. In the south of the province, the annual weight increase on the 9-month primary highways will occur earlier, from June 15 to March 15 of the following year. This change will help to sustain road conditions in the south, where spring thaw occurs earlier.

Additional information can be obtained by contacting the inquiry line: 1-866-933-5290 in Saskatchewan or 306-933-5290 outside the province.

Source: Spring Road Restrictions: https://www.saskatchewan.ca/business/transportation-and-road-construction/information-for-truckers-and-commercial-trucking-companies/regulations-and-road-restrictions/increased-weights-and-road-restrictions

Government of Saskatchewan, winter weight restrictions and spring frost law road bans and interactive road map:

http://publications.saskatchewan.ca/api/v1/products/87911/formats/104609/download

http://hotline.gov.sk.ca/restrictions_map.html

 

Please share your comments or suggestions with others below.

 

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Ontario Frost Laws

On August 26, 2019   /   Frost law restrictions.   /   Leave a comment
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2020 Ontario frost laws, seasonal load weight and speed restrictions.

Frost - thaw laws Ontario.

Restrictions on permits during frost or thaw law months.

All annual and project heavy haul trucking permits are not valid on any highways unless otherwise specified on the permit during frost or thaw months:

  • March and April in Southern Ontario
  • March, April and May in Northern Ontario

For the purposes of this restriction the Province of Ontario is divided, west to east, by:

  • A line formed by the Severn River to Regional Rd. 169
  • Regional Rd. 169 from Washago to Hwy. 12
  • Hwy. 12, from Regional Rd. 169 to Hwy. 7, north of Sunderland
  • Hwy. 7, from Hwy. 12 to Regional Rd. 7B at Carleton Place
  • Regional Rd. 7B to Hwy. 15
  • Regional Rd. 29 to Arnprior

Single trip permits for transporting heavy haul shipments on highways not designated in Schedules 1, 2 and 3, may be issued but are subject to axle weight controls established by the Ministry of Transportation.

Pursuant to The Highway Traffic Act, the Ontario Ministry of Transportation will impose reduced load weight limits for designated parts of the provincial highways between March 1 and April 30, for Schedule 1 and Schedule 2 roadways, and from March 1 to June 30 for Schedule 3 roadways.

Spring frost/thaw law weight maximums (restrictions) for Ontario:

Reduced loads.

Schedule 1.

Pursuant to the Highway Traffic Act, the ministry will impose reduced load limits for those designated parts of the King’s Highways listed in Schedule 1, when appropriate, between March 1, 2020 to April 30, 2020: Verification.

Schedule 2.

Pursuant to the Highway Traffic Act, the ministry will impose reduced load limits for those designated parts of the King’s Highways listed in Schedule 2, when appropriate, between March 1, 2020 to May 31, 2020.

When signs are posted, the following Highways will have a Reduced Load Limit for their ENTIRE length: Verification.

Schedule 3.

Pursuant to the Highway Traffic Act, the ministry will impose reduced load limits for those designated parts of the King’s Highways/Roads listed in Schedule 3, when appropriate, between March 1, 2019 to June 30, 2019.

When signs are posted, the Highway/Roads within the following Territories will have a Reduced Load Limit: Verification.

Source: http://www.mto.gov.on.ca/english/trucks/load-restrictions.shtml

It is important for truck drivers and trucking company dispatchers to make certain they are operating in accordance with the Ontario 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.
Learn about shipping regulations in Ontario.

Please share your knowledge with others by commenting below:

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New Brunswick frost laws

On August 26, 2019   /   Frost law restrictions.   /   Leave a comment
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2020 New Brunswick frost laws, seasonal load weight and speed restrictions.

Spring frost law/thaw law weight restrictions.

Spring weight restrictions for truck traffic will come into effect on Monday, March 11th, in southern New Brunswick and on Monday , March 18th , in northern New Brunswick. Restrictions will continue until midnight on Sunday, May 14th, in southern New Brunswick and midnight, Sunday, May 21th, in northern New Brunswick. These dates are dependent upon weather conditions and are subject to change.

“These weight limits are put in place every spring to ensure that our road infrastructure does not suffer damage during the annual frost and thaw cycle,” said Transportation and Infrastructure Minister Bill Fraser. “We provide this notice to the trucking community so that they may prepare to reduce their loads or plan alternate routes during this period. I thank members of the industry for the co-operation and patience they demonstrate each year while these restrictions are in place.”

For the purpose of these restrictions, northern New Brunswick includes:

  • The area lying within the counties of Northumberland, Gloucester, Restigouche, Madawaska and Victoria.
  • The portion of Route 108 within York County.
  • The portion of Gordon Vale Road and Holtville Road within York County.
  • The portion of Route 123 within Sunbury County and Queens County.
  • The portion of Bloomfield Ridge Road between Holtville Road and Route 625.
  • The portion of Route 625 between Gordon Vale Road and Route 8.

Details are available online. Should weather conditions warrant, district engineers are authorized to close roads to trucks or impose weight restrictions on highways or portions of highways.

How to calculate your truck weights for spring thaw/frost transport.

Source: https://www2.gnb.ca/content/gnb/en/departments/dti/trucking/content/spring_weight_restrictions.html

Spring weight restrictions of 90% or 80% of legal axle weight are published each spring and are available at the link below.

http://www2.gnb.ca/content/dam/gnb/Departments/trans/pdf/en/Trucking/SWRListing-e.pdf

It is important for truck drivers and trucking company dispatchers to make certain they are operating in accordance with the New Brunswick 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:

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Minnesota frost law restrictions.

On August 23, 2019   /   Frost law restrictions.   /   Leave a comment
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2019 Minnesota frost laws, seasonal load weight and speed restrictions.

As of April 26th, 2019 the last update was on March 14th 2019 for Winter Load Increase end date set for the NORTH-CENTRAL and NORTH FROST ZONES.

Spring Load Restrictions start date set for the CENTRAL, NORTH-CENTRAL and NORTH FROST ZONES
www.dot.state.mn.us/materials/pvmtdesign/sll/doc/seasonalupdates03142019.pdfSEASONAL WEIGHT INCREASE: Minnesota highways are at their strongest during the winter months. During the dates set by the Commissioner of Transportation each winter, the weight limitations are increased by 10 percent in designated frost zones

WEIGHT RESTRICTIONS: Paved routes remain at 10-ton limits, unless signs are posted restricting the axle weights to a lower limit. The starting and ending dates for these restrictions are determined by the Commissioner of Transportation for each of the frost zones depicted in the online map. Any road may be restricted at any time by the appropriate jurisdiction when conditions threaten damage or deterioration.

The Minnesota weight limits pamphlet and map can be found at:
http://www.dot.state.mn.us/materials/pvmtdesign/sll/doc/weight-limits-pamphlet-2014.pdf

For Seasonal Load Limits see: http://www.dot.state.mn.us/materials/pvmtdesign/sll/updates.html

This is a tabbed table showing dates and routes subject to seasonal restrictions, maps, weight information, seasonal load limits, etc.

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Michigan frost law restrictions.

On August 23, 2019   /   Frost law restrictions.   /   Leave a comment
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2019 Michigan frost laws, seasonal load weight and speed restrictions.

The last update was released by Michigan on April 26th, 2019.

For the latest Spring Weight Restrictions updates, check 2019 Spring Weight Restriction Bulletins

Spring Weight Rules:

Michigan does not allow more than 11 axle trucks to enter or exit during Spring weight restrictions.

Michigan does not allow movements that exceed 14′ in width during Spring weight restrictions.

Michigan may subtract 25-35% of the normal legal weight an axle group can haul on non interstate roads during Spring weight restrictions.

Michigan does not allow movements that are over legal weight on any group of axles during Spring weight restrictions.

Latest Update

Title: Spring Weight Restriction Bulletin #9 #9

Date: 04/29/2019

Effective Wednesday, May 1, 2019, 6 a.m., weight restrictions will be lifted on all state trunkline highways from the southern Michigan border north to and including US-2 from Iron Mountain to St. Ignace. Frost restrictions are still in effect for the remainder of the state and will be imposed and enforced on all state trunkline highways north of US-2 and M-185 on Mackinac Island.

State trunk line highways typically carry M, I, or US designations. Weight restriction information and updates may be obtained by calling 1-800-787-8960. For companies located in Canada or New Jersey, information may be obtained by calling 517-335-0023.

– On routes designated as “All Season Routes” (green or gold on the MDOT Truck Operators Map) there will be no reduction in legal axle weight.

– On routes designated as “Seasonal” (solid or dashed red on the MDOT Truck Operators Map) there will be a weight reduction of 25% for rigid pavements and 35% for flexible pavements.

Extended permits will be valid for oversize only in the weight restricted area.

Single trip permits will not be issued for overweight loads or loads exceeding 14 feet in width, 11 axles and 150 feet in overall length in the weight restricted area.

Detailed Weight Restriction information may be obtained by linking to www.michigan.gov/truckers.

Please refer to the MDOT Truck Operator’s Map for route designations.

State trunkline highways typically carry M, I, or US designations.

Updates

Detailed Weight Restriction information may be obtained by linking to www.michigan.gov/truckers

Weight restriction information and updates may be obtained by calling 1-800-787-8960. For companies located in Canada or New Jersey, information may be obtained by calling 517-373-6256.

For the most recent info, Please refer to the:

Calculate Oversize/Overweight Load Regulations and Prices Instantly with Oversize.io

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Iowa frost law restrictions.

On August 23, 2019   /   Frost law restrictions.   /   Leave a comment
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2019 Iowa Frost Laws, Seasonal Load Weight and Speed Restrictions.

The Iowa frost laws and spring thaw laws went into effect on March 15, 2019.

Iowa publishes a road restrictions map which you can view by clicking here: https://iowadot.gov/mvd/motorcarriers/restrictionmap.pdf

You can also find other road restrictions maps here: https://iowadot.gov/mvd/motorcarriers/maps (scroll down to “annual pavement restrictions”).

At the discretion of the Motor Carrier Services Division. Seasonal weight embargoes and temporary or permanent bridge weight limits must be signed and posted by the governing agency/jurisdiction.

Notes: It would be wise to communicate directly with the IowaDot if you intend on changing routes often. Also, In addition to traffic penalties for violating roadway or bridge weight limits,  operators and the owner of the vehicle causing damage may be held liable for the cost to repair or replace the structure or pavement.

For information on spring pavement restrictions (frost laws), call the IowaDOT, Motor Carrier Services: 515-237-3268 Feb 1 – May 30 or you can try 3264 .

The IowaDOT trucking information guide is a decent place to start as it covers seasonal weight and many other valuable topics on oversize and heavy haul loads and restrictions starting on page 24: https://www.iowadot.gov/mvd/motorcarriers/truckguide.pdf

This publication address’ and clarifies many of the rules and regulations concerning the operation of commercial vehicles invthe State of Iowa. However, it is not possible to include every rule and regulation that may apply. If any questions exist, the reader is encouraged to contact other sources, including the agencies listed on pages 4 and 5

Iowa frost laws.

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Idaho frost law restrictions.

On August 22, 2019   /   Canada Shipping Regulations., Frost law restrictions.   /   Leave a comment
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2019 Idaho frost and thaw law restrictions. Seasonal truckload weight restrictions.

Types of load restrictions: This rule states the size, weight or speed limit restrictions the Department may place on the state highway system if the operation of vehicles could cause damage to the road due to climatic or other conditions. Due to conditions, loads will be restricted to one of the following categories in the interests of public safety: (1) Maximum of: legal allowable weight, (2) 16,000 pounds on any axle, (3) 14,000 pounds on any axle, or (4) 12,000 pounds on any axle.

Weight limits: Normal overweight special permit limits will be suspended on all highways in the area when seasonal load and speed restrictions are imposed.

Weight limits based on tire sizes: In administering load limits based on tire sizes or width of tires, credit for tubed tires will be based on the manufacturer’s width marked on the tire. Tubeless tires will be given credit for the width of the conventional tubed tires which they replace.

Width limitation on two lane road: A spring breakup weight restriction to less than legal weight automatically also places a restriction on width allowed by special permit to 12 feet 6 inches during the period of the weight restriction.

Speed restrictions: Sections of highways that are posted for a maximum loads, trucks and buses with a gross weight of 10,000 pounds or more will be restricted to a maximum speed of 30 miles per hour. Restricted speed zones will be marked by a red marker that limits speeds to 30 miles per hour and a yellow marker that indicates that the legal speed may be resumed.

Weight Restrictions: Spring breakup weight restrictions limit the weight imposed on the highway by individual axles rather than the total gross weight of vehicles. Therefore, overweight permits may be issued that exceed legal allowable total gross load for a vehicle combination subject to these conditions:

a. Minimum tire width is 10 inches or larger.

b. Maximum axle weight on single axle having 2 single wheels shall not exceed 10,000 pounds.

c. Maximum axle weight on single axle having 4 or more tires shall not exceed 14,000 pounds.

d. Permits for non-reducible loads only.

See link:

https://adminrules.idaho.gov/rules/2008/39/0314.pdf

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2020 Frost laws introduction and overview.

On August 22, 2019   /   Frost law restrictions.   /   5 Comments
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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.

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Alberta DOT Shipping Regulations

On March 16, 2019   /   Canada Shipping Regulations., Canada trucking permit offices - government., Oversize trucking permits, pilot-cars   /   31 Comments
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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.


 

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Michigan State Shipping Regulations

On July 1, 2018   /   Lights, flags and signs., Oversize trucking permits, pilot-cars, State DOT trucking permit offices., USA shipping regulations.   /   6 Comments
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2019 Michigan state DOT shipping laws, rules, regulations and limitations for oversize and heavy-haul trucking.

Michigan

The great state of Michigan official seal.

Help others by sharing your knowledge of Michigan state regulations below.

Michigan oversize permits, heavy-haul trucking companies and pilot cars.

Locate oversize, heavy-haul trucking companies and pilot cars:

Michigan oversize, heavy-haul and pilot car companies for hire.
Michigan oversize and heavy-haul trucking companies for hire.
Michigan oversize and heavy-haul trucking permits.

Do I need a trucking permit? Legal load limits.

Michigan maximum load limits until a trucking permit is required:

Length: Overall no longer than 75 feet on designated highways.  Trailer length maximum is 50 feet on non-designated and 53 feet on designated.
Width:  96 inches on non designated highways and 102 inches (8 feet 6 inches.) on designated.
Height: 13 feet 6 inches tall.
Weight: 80,000 pounds GVW, 20,000 pounds on single axles (not steer), 34,000 pounds on tandem axles.
Overhang: 3 feet in the front and anything over 4 feet in the rear must be red flagged in the day and have a red light at night.
Notes: There’s no restriction on maximum length of combination of truck-tractor and semitrailer with or without load

Routine oversize and heavy-haul trucking permits.

These maximum dimensions/weights are considered routine oversize or heavy-haul trucking permits in Michigan:

Length: Under 150 feet in length.  Anything over 150 feet is classified as a superload (105 feet maximum for mobile homes).
Width: Figure up to 16 feet as a routine permit.  Anything over is going to looked at seriously and they may even classify you as superload.
Height: Up to 15 feet is routine.  If you are over 15 feet high count on needing a route survey.
Weight:  All weights in excess of 80,000 pounds over all are decided on a case by case basis. Anything over 150,000 lbs is subject to a bridge weight study.
Overhang: Any shipment in excess of 4 feet of overhang is permitted on a case by case basis only.
Notes: Maximum speed for any permitted shipment is 45 MPH. Permits for heavy shipments may take more than 10 days to process.

Michigan superloads.

Information about shipping superloads in the state of Michigan.

If your shipment is in excess of any of the following weights or dimensions it may be classified as a superload.

Length: Anything over 150 feet.
Width: 16 feet or over.
Height: 15 feet and over is classified as a superload. Some limited routes may vary.
Notes: We have no weight maximums to report. Height may be on a case by case basis.

Lights, safety flags and warning signs for heavy haul and oversize loads.

Required safety markings, safety flags, warning lights for heavy haul and oversize loads:

All oversize load shipments will be required to display 2 “Oversize Load” signs. On must be mounted to the bumper of the truck and the other to the rear of the trailer. Signs must be a minimum of 7 feet in width and 18 inches in height with 10 inch black letters on a yellow background. Flags are required on all 4 corners of the combination and be safety red or orange in color and be 18 inches square. If the item being shipped has dimensions extending beyond the trailer then the extremities must be flagged as well. Headlights must be on at all times. A minimum of 2 flashing of strobing lights must be mounted to the rear portion of the load.

When pilot cars or escort vehicles are required.

Heavy-haul or oversize loads may be required to be accompanies by a escort vehicle or pilot car if:

Length: 90 feet to 100 feet one on the rear. Over 100 feet requires a rear pilot car or “chase” escort vehicle.
Width: Loads over 12 wide on 4 lane is required one rear escort/pilot car. A lead or front pilot car is required for loads on 2 lane highway over 12 feet wide.  Front and rear pilot cars/escorts are required for loads over 14 feet wide.
Height: Over 14 feet and 5 inches is required to have a pilot car equipped with a height pole. Over 15 feet in height will require a rear chase escort vehicle in addition to 1 lead pilot car equipped with a height pole.
Overhang: If over 15 feet 1 rear escort is required.
Weight: If truck can maintain minimum speeds no pilot cars are required unless excessive or superload.
Note: Allow 1 to 10 days for permits to be approved. Distance for pilot car to lead/chase load 500′ unless otherwise stated on permit. This is the distance between lead/chase and the truck/trailer. Maximum speeds of 45 MPH if 4 or more lanes, 35 MPH is under 4 lanes. Also read travel restrictions below.

Pilot cars/escort vehicle certifications and requirements.

Pilot car or escort vehicle mandatory operator certifications and vehicle requirements:

In order to qualify as a pilot car vehicle in the state of Michigan you must either have a pickup truck or a passenger car with at least one rotating or flashing amber light mounted on the top of the vehicle. Pilot cars and escort vehicles must also display one oversize load sign that is 5′ x 1′ tall and have black letters no less than 8 inches tall on a yellow background. All flashing, stroking or rotating amber lights must be visible from a distance of no less than 500 feet. In addition to this we strongly suggest pilot cars and escort vehicles have the minimum of federally suggested equipment.

See: Pilot_Car_Escort_Best_Practices_Guidelines_508CLN

Legal travel times for oversize and heavy haul loads.

Travel times and restrictions for heavy-haul and oversize loads:

Travel time is sunrise to sunset daylight only with the half hour before sunrise and a half hour after sunset leniency rule.  No weekend travel.  No holiday travel or the day after Christmas or Thanksgiving. They have rush hours rules from 7:00 AM to 9:00 AM and 3:00 PM to 6:00 PM in a whole list of counties (look on permit). Wind restrictions if over 24 MPH you can’t run. Frost and thaw laws in effect from Feb. until April on weight. You can view holiday restrictions.Lindemeyer, Transport, LLC.

Michigan DOT contact information, notes and resources.

Michigan DOT contact information:

Physical address:
Michigan Department of Transportation – DOT, Permits Unit
425 West Ottowa Street
Lansing, MI  48909
Email: click here for e-mail contact form on state website.
Telephone: 517-241-8999
Hours: Monday thru Friday 7:30 AM – 4:30 PM (closed from 12 until 1:00 PM)
Eastern Standard Time
Michigan is a member of MVCSHTO.

Very helpful documents:
Michigan Farmer’s Transportation Guide
Shipping mobile homes in Michigan
Michigan superloads – route surveys
Oversize-weight-permits-maximums
Michigan maximum dimensions

Michigan full breakdown of laws:

Michigan cities we service:

Helpful information

  • Illinois State Shipping Regulations for oversize and heavy haul.
    Illinois State Shipping Regulations for oversize and heavy haul.
    Shipping laws, regulations, limitations and rules for shipping oversize and over-weight loads over the roads and highways in the state of Illinois. Please share your expertise or knowledge of Illinois state shipping regulations with other visitors below. Trucking and pilot car location system: Locate trucking companies and pilot cars in...
  • Exempt goods from frost/thaw law restrictions.
    Exempt goods from frost/thaw law restrictions.
    Example of exempt goods from frost or thaw law restrictions. Transport of the following goods during frost or thaw months may be permitted in some US States and Canadian Provinces. Be sure to check with the appropriate permit office to inquire if your shipment is eligible. Processed feed (livestock feed...
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    2019 Truck Safety
    2019 Truck Safety Sting Results. 12,000 trucks & 2,700 drivers were placed out of service. The numbers are in for the Commercial Vehicle Safety Alliance’s annual International Road check enforcement sting – held June 4-6, 2019. During these three days a total of 67,072 commercial vehicles were inspected in the...
  • Maximum gross axle weights and tire sizes.
    Saskatchewan Frost Laws
    2020 Saskatchewan frost laws, seasonal load weight and speed restrictions. The winter/spring season frost law restrictions will again be in in effect for many roadways in the Province of Saskatchewan this year according to information provided by the the provincial Ministry of Highways and Infrastructure. Typically, seasonal (spring) frost law...
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 Michigan State DOT Permits office before commencing movement.
Michigan state DOT regulations for heavy haul and oversize loads.

Michigan state flag.

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