Transporting oversized loads across Montana highways requires specialized permits to ensure compliance with state regulations. At Unique Trucking Broker, we streamline the process of acquiring Montana Oversize Permits so trucking professionals can focus on getting their loads where they need to go without unnecessary delays or legal hassles. Whether you’re moving construction equipment, wind turbine components, or industrial machinery, having the right Montana overweight permits is essential for safe and efficient transportation.
Understanding Montana Oversize Permits Requirements
Montana imposes strict regulations on oversized and overweight loads to maintain roadway safety and infrastructure integrity. Montana oversize permits help truckers legally transport loads that exceed standard limits for width, length, height, and weight.
Legal Load Dimensions in Montana
Before obtaining Montana oversize permits, it’s important to understand the legal limits:
Length: Maximum 53′ semi-trailer, total length including overhang up to 75′ is legal.
Width: Standard maximum of 8′-6″.
Height: No more than 14′.
Weight: 80,000 lbs Gross.
Single: 20,000 lbs
Tandem: 34,000 lbs
Tridem: 42,000 lbs
For loads exceeding these dimensions, Montana overweight permits or specialized permits are required.
Types of Montana Oversize Permits
At Unique Trucking Broker, we offer multiple types of trucking permits to cover a variety of oversized loads, including:
Montana Oversize Permits
Montana Overweight Permits
Montana Overhang Permits
Montana Single Trip Permits
Montana Annual Permits
Montana Oversize Permits
Each permit serves specific needs, ensuring legal transportation in Montana and beyond.
Montana Permit Validity & Operating Times
Montana oversize permits are typically valid for three to five days.
Loads under 10′ wide, 15′-6″ high, or 110′ long can travel continuously.
Loads under 18′ wide, 18′ high, or 120′ long can travel during daylight hours, including weekends—except on Red Route highways.
Montana Red Route Travel Restrictions
Montana enforces restricted travel on designated Red Route Highways, where:
Loads exceeding 10′ wide, 14′-6″ high, or 110′ long cannot travel after 3:00 pm Friday until Saturday sunrise.
Loads exceeding 18′ wide, 18′ high, or 120′ long must wait until Monday morning.
Holiday travel is permitted only for loads under 10′ wide, 14′-6″ high, or 110′ long.
Montana Routine Permit Limits & Load Escort Requirements
For Montana overweight permits, routine load limits include:
Length: Up to 150′
Width: Maximum 18′
Height: Up to 17′
Weight: Varies with axle configurations
Single: 24,000 lbs
Tandem: 48,000 lbs
Tridem: 62,700 lbs
Montana Escort vehicles are required based on road type and load size:
Interstate Highways: Over 120′ length – one escort.
Two-Lane Highways: Over 110′ length – one escort.
Weight Restrictions: Over 54,300 lbs on a tridem axle requires two escorts (DW21 Conditions).
Partner with Unique Trucking Broker for Hassle-Free Permits
Getting the right Montana Oversize Permits doesn’t have to be complicated. At Unique Trucking Broker, we simplify the process so trucking companies can stay compliant and keep their business moving. Whether you need a Montana overweight permit or a specialized Montana Oversize Permit, we have the expertise to handle all your permit needs.
