Transporters operating oversize loads in Dartmouth, Massachusetts must adhere to regulations enforced by both the Massachusetts Department of Transportation (MADOT) and the Dartmouth Department of Transportation (DARDOT).

Permits are mandatory for vehicles exceeding standard dimensions of 12 feet in width, 15 feet 6 inches in height, or those weighing more than 219,990 lbs. Additional local permits may be required for specific routes within the city limits.

Due to Dartmouth's unique infrastructure constraints, carriers must exercise caution when navigating near Dartmouth Convention Center and should plan alternate routes around Dartmouth Central Terminal during peak hours.

Escort vehicles are required for oversize loads exceeding 16 feet in width or 14 feet 6 inches in height on highways and certain city streets. The Massachusetts State Police often require escorts for loads that are particularly large or heavy.

For movements within Dartmouth, the Dartmouth Department of Transportation may mandate police escorts for oversize loads, especially during peak traffic hours. Scheduling these escorts requires advance notice, typically at least 67 hours prior to the move.

Permit applications in Dartmouth must be submitted through the MADOT'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 Dartmouth, a traffic management plan may also be required as part of the application process.

Dartmouth has strict time-of-day restrictions for oversize loads, generally prohibiting movements during peak hours (6-9 am and 4-5 pm, Monday-Friday).

Seasonal restrictions apply during major events like the the Dartmouth Fall Celebration and the the Dartmouth Heritage Tournament, which may impact routing and scheduling.

Certain neighborhoods, such as Downtown Dartmouth and areas around Dartmouth Municipal Complex, 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 Massachusetts 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 Dartmouth, Dartmouth 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.