Why Montana Oversize Permits Matter
Montana, with its vast landscapes and essential load corridors, requires precise permitting for oversized loads. From Montana Oversize Permits to Montana single trip permits, having the proper documentation is crucial to preventing costly delays and ensuring smooth transit.
Types of Oversize Permits We Provide
At Unique Trucking Broker, we offer a wide range of trucking permits, including:
Montana Oversize Permits
Montana Overweight Permits
Montana Overhang Permits
Montana Single Trip Permits
Montana Annual Permits
Montana Oversize Permits
Montana Oversize Permits Guidelines
Transporting oversized loads in Montana comes with specific guidelines. Here’s what you need to know:
Montana Permit Validity
Montana oversize permits are typically valid for three to five days. Whether you're hauling an oversized structure or an overweight load, ensuring you have an active permit is critical.
Montana Operating Time
Continuous travel is allowed for loads that do not exceed:
10′ wide, 15′-6″ high, or 110′ in length. For larger loads—up to 18′ wide, 18′ high, or 120′ long—daylight hours are permitted, including weekends, except on Red Route highways.
Montana Restricted Travel
Red Route highways impose stricter travel restrictions, where loads exceeding 10′ wide, 14′-6″ high, or 110′ in length cannot travel after 3:00 pm Fridays until Saturday morning. Loads exceeding 18′ wide, 18′ high, or 120′ long must wait until Monday morning. A Red Route Map is available online or at weigh stations.
Montana Legal Dimensions in Montana
Understanding standard legal dimensions ensures compliance:
Length: Up to 53′ for semi-trailers, maximum 75′ if there’s rear overhang.
Width: 8′-6″
Height: 14′
Weight: 80,000 lbs Gross
Single: 20,000 lbs
Tandem: 34,000 lbs
Tridem: 42,000 lbs
Routine Permit Limits
For oversized loads requiring Montana overweight permits, allowable dimensions are:
Length: Up to 150′
Width: 18′
Height: 17′
Weight: Variable, depending on axle configurations:
Single: 24,000 lbs
Tandem: 48,000 lbs
Tridem: 62,700 lbs
Montana Escort Vehicle Requirements
Escorts are required based on load dimensions and highway type:
Interstate Highways:
Over 120′ length – one escort
Over 16′-6″ width – one escort
Two-Lane Highways:
Over 110′ length – one escort
Over 14′ width – two escorts
Over 17′ height – one escort with a high pole
Montana Signs, Flags & Lights
Trucks exceeding 10′ in width must display “Oversize Load” signs in front and rear. Flashing amber lights, rotating beacon lights, or strobes are also required. Loads over 105′ must carry a “Long Load” sign for visibility and safety.
Montana Seasonal Load Restrictions
Spring thaw restrictions may be in place from February through May. Interstate routes are generally unaffected, but secondary roads may have specific limitations during this period.
Let Unique Trucking Broker Handle Your Permits
Getting Montana Oversize Permits can be complex, but at Unique Trucking Broker, we simplify the process for trucking professionals. Whether you need Montana overweight permits, Montana annual permits, or specialized Montana Overweight Permits, we’ve got you covered. Let us help you stay compliant and keep your business moving forward.
Contact Unique Trucking Broker today to secure your permits
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