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Utah oversize permits information

Utah Oversize Permits

Oversize permits are valid for 5 days. Driver must have permit prior to entering the state, unless a permit is purchased at state line Port Of Entry.

Operating time

Loads that do not exceed 10′ wide, 14′ high, 105’ long, or have an overhang in excess of 10′ are allowed travel 24 hours 7 days a week with proper safety equipment. All other loads are allowed to travel one-half hour before sunrise to one-half hour after sunset, including Saturday and Sunday.

Restrictions

Loads exceeding 10′ wide, 14′ high, 105′ overall length are prohibited travel from 6:00 a.m. to 9:00 a.m. and 3:30 p.m. to 6:00 p.m. Monday through Friday in the following counties: All highways south of Perry Interchange, I-15, exit 357; all highways in Weber, Davis, and Salt Lake counties, all highways north of Ironton Interchange, Exit 261 on I-15, SR75 and SR68 MP 16 in Utah county. No travel is allowed starting at 2:00 p.m. the day prior to a major holiday and on Pioneer Day (July 24th) until daylight the following weekday.

Legal Dimensions

The vehicle must have the following characteristics:

  • Width: 8’6″
  • Height: 14′
  • Length: 53′ semi-trailer
  • Overhang: 3′ front, 6′ rear
  • Weight: 80,000 Gross; Single – 20,000; Tandem – 34,000; Tridem – 42,500

Routine Oversize Permit Limits

  • Width: 17′
  • Height: 17′ 6″
  • Length: No set maximum.

Note: Bulldozer blades, loader buckets or similar equipment exceeding 16′ must be removed for transport, but may be hauled on same load.

Escorts

On Interstate and freeways:

  • Width: Over 14′ – 1 escort; over 16′ – 2 escorts; over 20′ – 2 escorts and 1 police escort
  • Height: Over 16′ – 2 escorts; over 17’6″ – 2 escorts and 1 police escort
  • Length: Over 120′ – 1 escort; over 175′ – 2 escorts and 1 police escort; over 200′ – 2 escorts and 2 police escort
  • Overhang: Over 20′ – 1 escort

On other highways:

  • Width: Over 12′ – 1 escort; over 14′ – 2 escorts; over 17′ – 2 escorts and 1 police escort
  • Height: Over 16′ – 2 escorts; over 17’6″ – 2 escorts and 1 police escort
  • Length: Over 105′ – 1 escort; over 120′ – 2 escorts; over 175′ – 2 escorts and 1 police escort; over 200′ – 2 escorts and 2 police escort
  • Overhang: Over 20′ – 1 escort

Note: Loads exceeding 10′ wide, 105’ long, or have an overhang in excess of 10′ need an escort when moving at night.

Security Measures

“Oversize Load” signs and red flags are required on all vehicles exceeding 10′ wide, 14′ high, or 105′ long. Red flags are required on front overhangs exceeding 3′ or rear overhangs exceeding 4′. Loads 10′ wide must have marker lights indicating extreme width, amber lights at the front and center of the load, and red lights at the rear. Overhang exceeding 20′ (front or rear) must have a rotating or flashing beacon mounted at end of the overhang. Loads with 3′ front and 4′ rear overhang require steady amber marker light (front overhang) or red clearance light (rear overhang). Warning lights are required when headlights are necessary.