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Alaska Oversize Permits Information


Alaska Oversize Permits are valid for 3 days, more time may be requested for distance or weather-related issues.

Operating Time

Daylight only (one-half hour before sunrise to one-half hour after sunset), Monday through Saturday. Legal width, and up to 15′ high and 75′ long may travel anytime. Up to 10′ wide may travel on weekends. Over 10′ wide may travel until 12:00 noon on Saturdays. No Sunday travel.


No travel allowed Monday – Friday in urban areas from 7:00 – 8:00 a.m. and 4:30 – 6:00 p.m. No Sunday travel. No travel on major holidays. For holidays that fall on Sunday or Monday, any movement is prohibited from noon Friday through midnight Monday. For holidays that fall on Friday or Saturday, any movement is prohibited from noon Thursday through midnight Sunday.

Speed Limit

55 mph.

Legal Dimensions

The vehicle must have the following characteristics:

  • Width: 8’6″
  • Height: 15′
  • Length: 48′ semi-trailer, 75′ overall, but 53′ semi-trailers with no overall length limit are legal on designated highways if kingpin to center of rear group does not exceed 41′
  • Overhang: 3′ front, 4′ rear
  • Weight: GVW not specified. Single – 20,000 (8′ 1″ min. spacing)*; Tandem–38,000 (3′ 6″ min. spacing); Tridem–42,000 (3′ 6″ min. spacing); Quad–50,000 (3′ 6″ min. spacing)

*Note: Spread axle groups cannot carry over approximately 10,000 pounds per axle in British Columbia.

Routine Alaska Oversize Permit Limits

Width, Height, Length: Depends on routes.

  • Weight: 1500,000 Gross; Single – 30,000; Tandem – 56,000; Tridem – 70,000; Quad – 80,000

Get Your Permit Today

Call: 224-998-3880


  • Width: Over 10’6” – 1 escort pilot car; over 12′ – 2 escort pilot cars; over 14′ – 3 escort pilot cars
    • Height: Over 17′ – 1 escort pilot car with height pole
    • Length: Over 85′ – 1 escort pilot car; over 100′ – 2 escort pilot cars
  • Overhang: Front overhang of 3′-10′ – front escort pilot car; Rear overhang of 4’–20′ – 1 escort pilot car or can use extended light bar in lieu of escort; over 20′ – 1 escort pilot car b.

Security Measures

Permits not issued for divisible loads. “Oversize Load” signs are required on any wide load. Flags are required on over width loads/vehicles and on overhangs. Signs or flags are not required for movements that are overweight only

Request a Permit
*$25 service fee for each particular permit