All oversize loads entering the City of Rolla, located in Rolette County, must conform to the requirements set by the North Dakota Department of Transportation.

In general, any vehicle over 12 feet in width, 14 feet 6 inches in height, and within the Class 2 weight category (over 80,001 lbs but not exceeding 90,000 lbs) should obtain an oversize load permit from the Rolla Public Works Department.

Rolla requires additional documentation for loads exceeding 16 feet in width or 18 feet in height, including a detailed route plan and verification of escort services.

Escort vehicles are required in Rolla for loads exceeding 16 feet in width or 18 feet in height. The escort vehicle must be equipped with appropriate warning signs and flags.

For loads over 20 feet in width or 20 feet in height, a police escort is mandatory. The Rolla Police Department requires a minimum of 48 hours' notice to schedule a police escort, and a fee of $150 is applicable for this service.

To apply for permits in Rolla, applicants can visit the Rolla Public Works Department website or contact them directly at (701) 477-3811. The application requires detailed information about the load, including dimensions, weight, and proposed route.

Documentation requirements include proof of insurance, a valid USDOT number, and a detailed route plan. Applicants must also provide a contact person's name and phone number for coordination purposes.

Rolla has time-of-day restrictions for oversize loads; they are not allowed on city roads during peak hours (7-9 am and 4-6 pm) on weekdays.

Seasonal restrictions apply during the spring thaw (March 15 to May 15), where certain roads are closed to heavy traffic. It's essential to check with the Rolla Public Works Department for the most current road conditions.

Certain neighborhoods and historic districts have restricted routes; loads must avoid these areas unless explicitly permitted by the City.

The standard permit fee for oversize loads in Rolla is $75. Additional fees apply based on the complexity of the route and the need for escort services.

For loads requiring a police escort, an additional fee of $150 is charged. Complex routes that require detailed planning and coordination may incur additional charges, ranging from $50 to $200.