California State Shipping Regulations

California State Shipping Regulations

2021 California state shipping laws, regulations, and limitations for heavy-haul trucking and oversize loads. 

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Maximum legal limits without requiring a permit. 

Maximum legal limits. Standard Metric
Length: 65 feet. 19.8 meters.
Width: 8 feet, 6 inches. 2.6 meters.
Height: 13 feet, 6 inches. 4.1 meters.
Weight: 80,000 pounds. 36,287 kilograms.
Overhang: 4 feet from the rear, 3 feet from the front. 1.21 meters from the rear, 1 meter from the front.
Notes: Always verify any discrepancies with CalTrans prior to movement/transport if you are ever uncertain.

These rules pertain to personal vehicles (towed or otherwise), commercial motor vehicles including semi-tractors, trailers, buses, boats, or anything else on California roads. Some local roads may have additional restrictions. For clarification of any discrepancies consult CalTrans (see contact information below).

California legal maximum limit information in detail.

Routinely issued oversize/overweight permit maximums.

Oversize/overweight transport/trucking permits routinely issued by CALTRANS.

Maximum routine permit limits Standard Metric
Length: 135 feet. 41.1 meters.
Width: 15 feet. 4.5 meters.
Height: 17 feet. 5.1 meters.
Weight: 250,000 pounds. 36,287 kilograms.
Overhang: 4 feet from rear, 3 feet from front. 1.21 meters from rear, 1 meter from front.
Notes: Detailed instructions should be clearly printed on your official permit. Any discrepancies should be discussed with issuing CALTRANS office official prior to movement/transport for clarification.

Routinely issued oversize/overweight permit information in detail.

California overhang in-depth clarification.

California superload information.

Shipments in excess of the following weights/dimensions are classified as superloads in California.

Superload size/weight classification Standard Metric
Length: 135+ feet. 41.1+ meters.
Width: 15 + feet. 4.5+ meters.
Height: 17+ feet. 5.1+ meters.
Weight: 250,000+ pounds. 36,287+ kilograms.
Overhang: 4 + feet. 1.21+ meters from rear, 1+ meters from front.
Notes: Superloads have finely detailed instructions clearly printed on the official permit. Any discrepancies should be discussed with the issuing CALTRANS superload permit office official prior to commencing movement/transport.

California superload information in-depth.

Travel times and restrictions.

Pilot car/escort vehicle requirements.

Required shipment markings, signs, flags and lights.

Additional information.

California DOT locations and contact information.

California DOT (CalTrans) contact information and other helpful links.

Northern region:
California Department of Transportation – CalTrans
PO Box 942874, room 4105
Sacramento, CA 94274-0001
Telephone helpline:
Fax line:
Permit office hours:

Southern region:
California Department of Transportation – CalTrans
464 West 4th Street, MS #618
San Bernadino, CA  92401
Telephone helpline:
Fax line: 909-388-7001
Permit office hours: 8 AM until 5 PM – PACIFIC TIME ZONE

Late summer, pollution builds up from lack of rain. As a result, the 1st rains (1st flush) wash these pollutants into storm drains. Help minimize #Stormwater pollution by properly disposing of trash to keep highways & waterways clean. Info: #CleanWater

Madyson really cares about her PapPap's safety. Show her you care too. Always pay attention and stay alert when driving near work zones #BeWorkZoneAlert #MoveOver

TRAFFIC ALERT: crash involving big-rig hauling tomatoes. Multiple lanes closed WB and EB I-80 near Davis Street in Vacaville, Solano County. Motorists are advised to expect delays and use alternate routes if possible. Click on Caltrans QuickMap for more:

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See also:

California heavy haul trucking company directory.
California pilot car company directory.
Order California heavy haul and oversize trucking permits.
CalTrans pilot car maps – Pilot cars look!
CalTrans oversize and overweight shipping manuals.
Loads of contacts at the Caltrans oversize permit offices.
California traffic and road conditions reports.

California state shipping regulations.

California DOT and Caltrans regulations for oversize trucking and heavy haul.

California state flag.

Cities we service in California:

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

California oversize trucking permits

California oversize trucking permits – DIY.

Save money DIY trucking permits. Oversize and over-weight.

Save money DIY trucking permits. Oversize and over-weight.

 Do it yourself oversize and over-weight trucking permits for California.

Looking to save some big money? Well you certainly can. Your trucking company can save thousands if not tens of thousands of dollars every year by ordering their own oversize and over-weight trucking permits which is getting easier and easier by the day with technology growing so rapidly. State permit offices are rapidly switching to new automated systems as they are much easier to manage and operate. This saves the state huge money which is good for everyone involved. Oversize and over-weight permit companies aren’t shouting this out the windows either as they are making hand over fist every time another trucking company picks up the phone and orders another trucking permit. In reality their jobs just keep getting easier and easier. Especially if they have an automated online permitting system. Then they need less people as well and their profits go higher and higher but at the expense of American trucking companies. Today there’s really not a whole lot of need for oversize and over-weight permit providers as it’s quickly becoming a item of the past. With the exception of a few states that are rapidly catching up with the curve and getting their permitting systems online and on board.

You can start filing for your California oversize and trucking permits today!

That’s right! Ordering oversize and over-weight trucking permits is as easy as 1,2,3 and we’ll show you how to not only get it done in California state but about 43 other states as well. In order to start ordering your oversize and over-weight trucking permits yourself from the CALTRANS DOT permit office simply follow these directions.

  1. To create an online account (STARS) which includes a routing system download and follow the directions on this form, then  call 916-322-1297. After you have created you STARS account they will have you email your info to the address on the application.
  2. They email you back your login information and away you go….This is preferred as you can route your own loads.


  1. Print the application and fax it to: 909-388-7001
  2.  Kick back and relax, a whole team is processing it and it won’t take long to hear back!

If you have any information you would like to share with others seeking to process their own oversize or over-weight trucking permits in the state of California please leave your comment below.