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Missouri State Shipping Regulations

2018 Missouri state DOT shipping laws, regulations, rules and limitations, for oversize and heavy-haul the trucking.



Missouri State DOT (MODOT) Trucking Information website:

Legal Loads

Length: It appears no max length is set but after 90’ requires a rear/chase escort.

Weight: 80,000 lbs. GVW

Width:  8’ 6”

Height: 13’ 6”

Missouri routine heavy haul, oversize shipping, trucking and transport permits.

Length:  Over 90’ requires rear escort.  We assume routine would be up to 120’.

Weight:  Single 29,000 lbs., 36,000 lbs. on Tandem, Tridem axles 47,000 lbs., Quad axles.  This state is complicated on weight. See State website above or contact for clarification.

Width: Figure up to 14’ as a routine permit.

Height: 14’ 6” depending on routing.

How to apply for heavy haul, wideload and oversize trucking permits.

Missouri Department of Transportation, Motor Carriers, Special Permit Office
PO Box 270, Jefferson City, MO 65102
Phone: 573-751-2871
The normal hours of operation are Monday thru Friday 7:30 am until 3:45 pm.

Pilot Car – Escort vehicle requirements.

Length: Anything over 90’ requires one rear/chase vehicle.
Width: Two lanes total over 12” 4”’ wide needs one front up to 14’. Four lanes total over 12’ 4” wide requires one rear.
Height: If over 15’ 6” you need a high pole and a rear/chase vehicle and can only move from 6:30 -9:00 am and 3:30 – 6:00 pm on all routes. Over 17’ 5” needs route survey and bucket truck.

Travel Restrictions

Travel is restricted if over 12’ 4” wide in most areas to 6:30 am (or a half hour after sunrise) until 9:00 am then resume at 3:30 pm until 6:00 pm (or a half hour before sunset). If over 14’ wide no movement on Saturday or Sunday at all.  You may move Monday thru Friday but only. For now, consider this info as a basic guideline for estimates only. Please call the State of Missouri for exact laws. And always be sure to read the instructions on your permit(s).

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 Missouri State DOT Permits office before commencing movement.




1 Comment
  1. Missouri has a 53 ft trailer length limit (including your load) so if you have a 53ft trailer you cannot overhang front or rear without a permit.

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