All oversize loads entering Caribou, Maine must conform to the requirements set by the Maine Department of Transportation (MEDOT) and the Caribou Department of Transportation (CARDOT).

In general, any vehicle over 12 feet in width, 14 feet 6 inches in height, and within the super heavy weight class (over 193,829 lbs) should obtain an oversize load permit from the MEDOT and potentially additional permits from CARDOT.

To navigate the complexities of Caribou's infrastructure, it's crucial to plan routes that avoid sensitive areas like Caribou Convention Center and major construction zones along the the Caribou Tunnel area.

In Caribou, Maine, loads wider than 15 feet or taller than 13 feet 0 inches must be accompanied by certified escort vehicles. Additional escorts may be required based on the specific route and time of travel through urban centers.

Caribou regulations state that police escorts must be arranged at least 43 hours before transport for loads that will impact major thoroughfares or require temporary traffic control measures.

The Maine Department of Transportation manages the primary application process for oversize permits, with supplementary permits required from Caribou Department of Transportation for transit through Caribou limits.

Required documentation for Caribou permits includes axle configuration diagrams, proof of insurance with appropriate coverage levels, and detailed transport plans. Engineering assessments may be required for loads exceeding standard weight thresholds on certain streets and bridges.

Caribou has strict time-of-day restrictions for oversize loads, generally prohibiting movements during peak hours (6-9 am and 3-6 pm, Monday-Friday).

Seasonal restrictions apply during major events like the the Caribou Winter Exhibition and the the Caribou Winter Show, which may impact routing and scheduling.

Certain neighborhoods, such as Downtown Caribou and areas around the Caribou 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 Maine 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 Caribou, Caribou 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.