All oversize loads entering the City of Great Falls, Cascade County, must conform to the requirements set by the Montana Department of Transportation.

In general, any vehicle over 12 feet in width, 14 feet 6 inches in height, and within the super heavy weight class (over 105,000 lbs) should obtain an oversize load permit from the Great Falls Public Works Department.

The City of Great Falls has specific regulations to ensure safe passage of oversize loads through its streets, particularly on major routes like 10th Avenue South and 1st Avenue North, which are commonly used for heavy haul transportation.

Escort vehicles are required for oversize loads exceeding 16 feet in width, 18 feet in height, or 150 feet in length in Great Falls. The escort vehicle must be equipped with appropriate warning lights and flags.

For loads that require a police escort, arrangements must be made through the Great Falls Police Department at least 48 hours in advance. The escort fee is $150 per hour, with a minimum of 2 hours.

To apply for an oversize load permit in Great Falls, applicants can visit the City's Public Works Department website or contact them directly at (406) 455-8400. Required documentation includes a detailed route plan, load dimensions, and vehicle information.

Applicants must also provide proof of insurance and a permit fee payment.

Oversize loads are restricted from traveling during peak hours (7-9 am and 4-6 pm, Monday-Friday) in Great Falls to minimize traffic disruptions.

Seasonal restrictions may apply during heavy snowfall or flooding events, and loads may be rerouted to avoid areas with road closures.

Certain neighborhoods, such as those with school zones or construction areas, may have restricted access for oversize loads.

The base permit fee for oversize loads in Great Falls is $75. Additional fees apply based on the complexity of the route, ranging from $25 to $100.

For super heavy loads (over 105,000 lbs), an additional fee of $200 is charged to cover the cost of specialized equipment and escorts.