Utah Department of Public Safety

Highway Patrol - Oversize & Overweight Restrictions

Oversize & Overweight Restrictions


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What are Utah's legal limitations regarding vehicle width, height, length, and load extensions?

Utah law and Utah Regulations for Legal & Permitted Vehicles impose the following restrictions on vehicle width, height, length, and load extensions:

  • A vehicle with or without a load may not exceed a width of 8 ½ feet.
  • A vehicle with or without a load may not exceed a height of 14 feet.
  • A single-unit vehicle, with or without a load, may not exceed a length of 45 feet, including the front and rear. bumpers.
  • Special rules regarding vehicle length apply to semi tractors and trailers. Please consult the statute for these limitations.
  • All other combinations of vehicles, with or without a load, (such as a motor home pulling a boat) may not exceed a total length of 65 feet.
  • A vehicle or combination of vehicles may not carry any load extending more than three feet beyond the front of the vehicle body or more than six feet beyond the rear of the bed or body of the vehicle.
  • A passenger vehicle may not carry any load extending beyond the line of the fenders on the left side of the vehicle, nor extending more than six inches beyond the line of the fenders on the right side of the vehicle.

Any exception to the above provisions must be authorized by a permit issued by the Utah Department of Transportation.


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How can a commercial vehicle driver obtain an oversize or overweight permit in Utah?

The issuance of oversize and overweight permits is handled by the Utah Department of Transportation, Ports of Entry. You can obtain all the information you need on this topic by visiting the Ports of Entry web site.

[Last Update - Thursday, 19-Dec-2013 12:24:02 MST]