Alaska Oversize Permits

ALASKA OVERSIZE PERMITS & ESCORTS INFORMATION

PERMITS: Alaska oversize permits are valid for three days, but more time may be requested for distance or weather related issues.

OPERATING TIME: Daylight only (one-half hour before sunset to one-half hour after sunset), Monday through Saturday.  10? wide and up to 16? high and 85? long may travel anytime. No Sunday travel.

LEGAL DIMENSIONS

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.

Width: 8?6?

Height: 15?

Weight: GVW not specified.

• Single ? 20,000 (8?-1? min. spacing)*
• Tandem ? 38,000
• Tridem ? 42,000
• Quad ? 50,000

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

ROUTINE PERMIT LIMITS

Length: Depends on route of travel, distance and bridges to be crossed.

Width: Depends on route of travel, distance and bridges to be crossed.

Height: Depends on route of travel, distance and bridges to be crossed.

Weight: 150,000 Gross

• Single ? 30,000
• Tandem ? 56,000
• Tridem ? 70,000
• Quad ? 80,000

ESCORTS

Length:

• Over 85? ? 1 escort
• over 100? ? 2 escorts.

Overhang:

• Over 10? rear ? 1 escort (can use extended light bar for up to 20? in lieu of escort)
• over 35? ? 2 escorts

Width:

• Over 10?? 1 escort
• over 12? ? 2 escorts
• over 14? ? minimum of 3 escorts.

Height: Not specified

Weight: When special bridge crossing conditions such as straddling center line are enacted ? 2 escorts.

Miscellaneous: Permits not issued for divisible loads.

SIGNS, FLAGS & LIGHTS: "Oversize? signs required on any wide load. Flags are required on overwidth loads/vehicles and on overhangs. Signs or flags are not required for movements that are overweight only

SEASONAL LOAD (WEIGHT) RESTRICTIONS: Spring thaw weight restrictions may restrict weights to 85%, 75%, or even 50% of normal allowed weights during spring thaw conditions. These may be enacted approximately between March and June each year, depending on routes and weather conditions.