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MONTANA OVERSIZE OVERWEIGHT PERMITS

MONTANA OVERSIZE OVERWEIGHT PERMITS

Montana Oversize Permits Details

Montana Department of Transportation Motor Carrier Services Division

Address: 2550 Prospect Avenue Helena, Montana 59601

Contact: (406) 444-7262

Hours: 8:00 A.M. – 5:00 P.M. (MT)

Permits

Single trip permits are valid for three (3) consecutive days.

Weight:

SingleDepends on axle spacings. 20,000
TandemDepends on axle spacings. 48,000
TridumDepends on axle spacings. 51,750
QuadDepends on axle spacings. 55,440

Gross Weight:

5 Axles107,000
6 Axles110,000
7 Axles114,000
8 Axles126,000

Length: 150’

Width: 18’

Height: 17’

When Escorts Are Needed:

On Interstate:                        # of Escorts

Width over 16’6”1 Rear
Length over 120’1 Rear

On 2- Lane or Multi-Lane Non-interstate:

Width over 12’6” up to 14’1 Front
Width main body of load over 14’ or overall width is over 15’2 (Front & Rear)
Length over 110’1 Rear
If escort is required on non-interstate only (i.e., load dimensions not over 16’ wide or 120’ long) 
Width over 10’ and not equipped with lights and signs state requires2 (Front & Rear)
Height over 17’ (before permit appl.)Route Survey

Convoys:*

No more than 5 O/O loads needing escorts may convoy if width not over 14’ (or 15’ w/ projections) and not over 120’2 (Front & Rear)
No more than 5 vehicles needing escorts may convoy if length of any unit is over long on 2-Lane highways or 110’ long on interstate highways.2 (Front & Rear)

*For convoys, escort must have sign stating: “Oversize Load, Convoy Follows (# of vehicles).”

Vectra Heavy Haulers, a trusted name in equipment delivery, will ensure the secure delivery of your cargo to Idaho https://www.vectraheavyhaulers.com/idaho/ as well. We follow all the regulations laid out in federal, state, and local jurisdictions for ensuring trouble-free delivery. For more information on transportation regulation permits for Montana Oversize goods.