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

Thanks to all our #Sacramento travelers for remembering to slow down to #55MPH and #BeWorkZoneAlert. Thank you for helping our crews get home safely! 🦺 #FixSac5

@CaltransDist3 @CaltransHQ @CaltransD4 @CaltransDist10

Sunday, May 22 #CleanCA Free Dump Day at the Chalfant Transfer Station. @Caltrans9 @CaltransHQ in partnership with @countyofmono Come early and tarp loads for transport to the dump. No haz waste. 9 tires per trip. #CAForAll #CAComeback @CA_Trans_Agency

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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.