Montana Oversize Permits Cost:

Montana Oversize Permits Fee
Single Trip	$10.00
Triples	$20.00
Annual Oversize	$75.00
Annual OL Doubles	$125
Term Permits	$200 triples

Montana Oversize / Overweight Regulations:

Here are the key points of Maryland Oversize / Overweight Regulations:

Montana Permits Legal Dimensions:

Legal Dimensions of Montana Permits
Width	8 Feet 6 Inches
Height	14 Feet
Weight	80,000 lbs. Gross Weights
Length	53′ semi-trailer with a maximum length of 75′ if the trailer is longer than 53′ or has an overhang in back.
Overhang	It is permissible to have an overall length that includes an overhang of up to 75 feet. Permit required for over 75′.

Montana Oversize/Overweight Permits validity:

Montana oversize permits are valid for five travel days and must be obtained prior to entering the state.

Montana Axle Weight Limits:

Axle Weights Limits Montana permits
Single Axle limit	20,000 lbs.
Tandem Axle Limit	37,500
Tridem Axle Limit	60,000
Gross Weight Limit	131,060

Montana permits Operating Time:

The operating time is from one-half hour before sunrise to one-half hour after sunset, Monday through Friday, and Saturday until Noon, with some exceptions for night travel and holiday restrictions.

Montana Permits Restricted Travel:

In Montana, oversize permits allow continuous travel for loads not exceeding 10 feet wide, 15 feet 6 inches high, or 110 feet in length. Daylight hours are permitted for loads not exceeding 18 feet wide, 18 feet high, or 120 feet in length except on Red Route highways. Restricted travel on Red Route Highways includes no travel after 3:00 pm Fridays until Saturday morning and from 12:00 Noon Sunday to Monday morning for specific dimensions.

Holiday travel is usually allowed for loads not exceeding certain dimensions. Oversize load signs and specific lighting requirements are mandatory for vehicles exceeding 10 feet in width. Pilot cars or escort vehicles are required based on load dimensions, with different requirements for two-lane and four-lane highways.

Montana Pilot Cars / Escort Vehicle Requirements:

The number of escorts required depends on the dimensions of the vehicle and the route being traveled.

Montana Escort Vehicle Requirements
Length	One pilot car or escort vehicle must be in the back on two-lane roadways longer than 105 feet. One pilot car or escort vehicle is all that is needed for four lanes wider than 120 feet.
Width	One pilot car or escort vehicle in front of two lanes over 12 feet. One pilot car or escort vehicle in front and one in back make up the two lanes above 14 feet. Four lanes, 14′ to 18′, with an escort or pilot car in the back.
Height	Not Specified.

Montana Oversize Tire Regulations:

Montana has some of the least restrictive street legal laws for vehicles. There are no suspension lift laws, frame height limits, or bumper height restrictions in the state. Vehicles can be modified with suspension lift kits, aftermarket wheels and tires, performance shocks, aftermarket bumpers, and grille guards.

The maximum vehicle size allowed in Montana is 102 inches wide, 14 feet tall, and 55 feet long for a single vehicle. Tires must be in safe operating condition without bulges or exposed cords, and there is no listed minimum tire tread depth requirement. Montana requires all vehicles to have brakes capable of stopping from 20 mph within 25 feet and a secondary parking brake.

Montana Oversize Signs, Lights, Flags Regulations:

In Montana, oversize loads are regulated by the Montana Department of Transportation (MDT). The regulations for oversize signs, lights, and flags are as follows:

Montana Oversize Load Signs: Vehicles/loads exceeding 10 feet in width require “Oversize Load” signs front and rear, with letters not less than 8 inches in height. The letters should be dark in color on a light colored background.

Montana Flashing Amber Lights: Vehicles/loads exceeding 10 feet in width require 5-inch flashing amber lights, revolving beacon, or strobe light(s) at each end of the oversize load sign on the power unit. The lights should be visible from all directions. If the light is blocked by the height/width of the load, the rear of the load should also have a light.

Montana Warning Flags: Bright red or orange warning flags are required during daytime and amber and red lights at night for over-width or over-length vehicle/load combinations. Flags may be needed only on the ends of simple protrusions if no other part of the load exceeds the legal limits. Warning lights are required for movement at night and during periods of reduced visibility.

 Please note that these regulations are subject to change and it is always best to check with the Montana Department of Transportation for the most current information.

Montana Fines And Penalties:

In Montana, fines and penalties vary depending on the violation. For instance, violating rules adopted by a local board can result in civil penalties ranging from $10 to $200 for individuals and up to $250 for business entities. Additionally, violating provisions of certain chapters or rules can lead to fines between $10 and $500 or imprisonment for up to 90 days. Each day of violation constitutes a separate offense, and fines must be paid to the county treasurer where the violation occurred.

Regarding traffic violations, Montana enforces penalties for various offenses such as reckless driving, careless driving, speeding violations, and more. For example, penalties for reckless driving include fines and potential imprisonment. Violating speed limits in school zones can lead to doubled penalties, while other offenses like leaving a vehicle on public property also incur fines.

 Moreover, Montana has oversize and overweight fines for vehicles exceeding legal weight limits. Violations can lead to fines ranging from $30 to $2,000 based on the excess weight carried by the vehicle. Additionally, operators are required to stop at weigh stations, and those found in violation of weight restrictions may face misdemeanor charges with fines up to $300 or imprisonment up to 60 days.

Montana Oversize Annual Permits | Oversize Overweight Load Annual Permits

The Montana Oversize Annual Permits is an annual permit that allows commercial vehicles to operate with oversize dimensions and weights on Montana roads. The maximum dimensions for an annual permit are 95 feet in length, 15 feet in width, and 15 feet 6 inches in height. The cost for an annual permits is $75 for oversize vehicles and $125 for overlength doubles. Annual permits can be obtained through the Montana Department of Transportation (MDT) by contacting their MCSAP Section at 972-220-9831.