State Oversize Permits & Escorts Information


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Utah DOT Phone Number: (801) 965-4000

DOT Website

PERMITS: Utah oversize permits are valid for five days. Must have permit prior to entering the state. Permits can also be purchased at state line POEs or at interior ports if driver calls ahead for permission (phone numbers are on Utah provision sheet).

OPERATING TIME: One-half hour before sunrise to one-half hour after sunset, including Saturday and Sunday, plus the following exception: Loads not exceeding 10′ wide, legal height, 92′ overall length, and 10′ overhang may travel 24/7 on all highways with proper lights (marker lights indicating extreme width, amber lights at the front and center of the load and red lights at the rear), lights and flags on rear overhang exceeding 4′.

RESTRICTED TRAVEL: Loads exceeding 10′ wide, legal height, 105′ overall length are prohibited from 6:00AM to 9:00AM and 3:30PM to 6:00PM Monday through Friday in the following counties: Box Elder – all highways south of exit 357 of I-15 (Perry Interchange); all highways in Weber, Davis, and Salt Lake counties, and in Utah county, all highways north of SR75- Exit 261 I-15 (Ironton) and SR68 MP 16. Holiday travel is not allowed during major holidays and holiday weekends, and on Pioneer Day (July 24th). Check with Permit Office for updated holiday restrictions.

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Length: 53′ semi-trailer on designated highways


  • 3′ front (tractor)
  • 6′ rear

Width: 8’6″

Height: 14′

Weight: 80,000 Gross

  • Single – 20,000
  • Tandem – 34,000
  • Tridem – 42,500

Divisible Loads Exceeding 80,000: You can order a permit to exceed 80,000 gross on state highways and Interstate as long as you are legal on all axle/group weights and you are prorated at 80,000 pounds for Utah.

Length: No set maximum. If road can handle the length it will be permitted.

Width: 17′ (Bulldozer blades over 16′ must be removed; can be hauled on same load).

Height: 17′ 6″


  • Gross Weights
  • 5 axles – 100,000
  • 6 axles – 136,000
  • 7 axles – 148,500
  • Depends on axle spacings and configurations

  • Axle Weights
  • Single – 29,500
  • Tandem – 50,000
  • Tridem – 61,750

Loads in excess of these dimensions are reviewed on individual basis. Over 17’6″ in height requires documentary clearance proof from utilities, city and state signal divisions and municipalities


On Interstate and freeways:

Length: Over 120′ – 1 escort

Overhang: Over 20′ – 1 escort


  • Over 14′ – 1 escort
  • Over 16′ – 2 escorts


  • Over 16′ – 2 escorts
  • Over 17’6″ – 2 escorts plus Highway Patrol, and notify utilities

On other highways:


  • Over 105′ – 1 escort
  • Over 120′ – 2 escorts

Overhang: Over 20′ – 1 escort


  • Over 12′ – 1 escort
  • Over 14′ – 2 escorts
  • Over 16′ – 3 escorts
  • Over 17′ – reviewed on individual basis, may require 2 escorts and 2 Highway Patrol


  • Over 16′ – 2 escorts
  • Over 17’6″ – 2 escorts plus Highway Patrol, and notify utilities.

Note: Twisting and turning canyon roads with limited sight distance may require escorts, at D.O.T. discretion.

SIGNS, FLAGS & LIGHTS: Flags are required to mark all extremities on any load overhanging the sides and on all vehicles exceeding 10′ in width, on all front overhangs exceeding 3′ or rear overhangs exceeding 4′, and on the trailer corners on overheight only loads. “Oversize Load” signs front and rear are required on all vehicles/loads exceeding 10′ in width, or exceeding 14′ in height, and must be displayed to the rear of any vehicle which exceeds 92′ in length, whether loaded or empty.  Overhang of 20′ or more must have rotating, flashing or oscillating amber light mounted at end of the overhang and at least 4′ above ground level. See Operating Time section, above, for lighting during permitted night moves.

Important Notice:
The following is provided for informational purposes only. We do not procure or arrange permits on behalf of carriers or discuss permit and escort requirements for particular shipments. The following links provide general guidelines for oversize permits and escorts for heavy haul shipping by state/province. State regulations are subject to change; If you find inaccurate information, please let us know, and we will update the page accordingly.