Transporters operating oversize loads in Circle, Montana must adhere to regulations enforced by both the Montana Department of Transportation (MTDOT) and the Circle Department of Transportation (CIRDOT).

Permits are mandatory for vehicles exceeding standard dimensions of 13 feet in width, 16 feet 0 inches in height, or those weighing more than 159,868 lbs. Additional local permits may be required for specific routes within the city limits.

Due to Circle's unique infrastructure constraints, carriers must exercise caution when navigating near the Circle River and should plan alternate routes around Circle Valley during peak hours.

Montana law mandates escort vehicles for any load exceeding 16 feet in width or 13 feet 0 inches in height. When traveling through Circle, these requirements may be more stringent depending on the specific streets and neighborhoods traversed.

The Circle Department of Transportation requires a minimum of 62 hours advance notice to coordinate police escorts, which are mandatory for super-loads or when traveling through congested areas of Circle.

Permit applications in Circle must be submitted through the MTDOT's online permitting system. Carriers should be prepared to provide comprehensive vehicle specifications, proposed routes, and transport schedules.

Applications must include certified weight tickets, dimensional diagrams, and route surveys. For loads that may impact traffic flow in Circle, a traffic management plan may also be required as part of the application process.

Circle has strict time-of-day restrictions for oversize loads, generally prohibiting movements during peak hours (7-8 am and 3-6 pm, Monday-Friday).

Seasonal restrictions apply during major events like the the Circle Fall Festival and the the Circle International Games, which may impact routing and scheduling.

Certain neighborhoods, such as Circle Center and areas around the Circle Marketplace, have restricted access for oversize loads. Alternative routes should be planned in advance to avoid these areas.

The base permit fee for an oversize load in Montana is $40, with additional fees for super heavy loads (over 200,000 lbs) ranging from $150 to $350 depending on the complexity of the move.

For movements within Circle, Circle Department of Transportation may charge additional fees for city-specific permits, which can range from $75 to $500 or more for particularly complex routes or those requiring extensive coordination with city agencies.