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Alaska

PERMITS:

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

Permits are not issued for divisible loads

 

OPERATING TIME:

One-half hour before sunrise to one-half hour after sunset Monday - Saturday 

Up to 10' 0" wide, up to 16' 0" high and 85' 0" long may travel anytime

No Sunday travel

 

LEGAL DIMENSIONS:

Length:

48′ semi-trailer
75′ overall
53' 0" semi-trailers with no overall length limit are legal on designated highways if kingpin - center of rear group does not exceed 41' 0"

Overhang:

3' 0" front

4' 0" rear

Width:

8' 6"

Height:

15' 0"

Weight:

No GVW specifications

Single: 20,000 Lbs 8' 1" minimum spacing
Tandem: 38,000 Lbs
Tridem: 42,000 Lbs
Quad: 50,000 Lbs
Spread axle groups cannot carry over 10,000 Lbs per axle in British Columbia.

ROUTINE PERMIT LIMITS

Length:

Dependant on routing, distance travelled and bridges to be crossed

Width:

Dependant on routing, distance travelled and bridges to be crossed

Height:

Dependant on routing, distance travelled and bridges to be crossed

Weight:

150,000 Lbs Gross

Single: 30,000 Lbs
Tandem: 56,000 Lbs
Tridem: 70,000 Lbs
Quad: 80,000 Lbs

 

ESCORTS

Length:

Over 85' 0":  1 escort
Over 100' 0": 2 escorts
Overhang:

Over 10' 0" rear: 1 escort or extended light bar up to 20' 0" in lieu of escort
Over 35' 0": 2 escorts
Width:

Over 10' 0": 1 escort
Over 12' 0": 2 escorts
Over 14' 0": 3 escorts or more
Height: Not specified

Weight:

When special bridge crossing conditions such as straddling center-line are enacted – 2 escorts.

 

WARNING EQUIPMENT REQUIREMENTS:

“Oversize” signs required on any wide load. Flags are required for over-width loads/vehicles as well as any overhang

 Signs or flags not required for over-weight only

SEASONAL LOAD (WEIGHT) RESTRICTIONS:

Spring thaw may restrict weights to between 85-50% of normal allowed weights

Spring Thaw enforced approximately March - June Dependant on weather

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