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Maine transportMaine Port Authority


Almost 90 percent of Maine’s freight is carried by commercial vehicles. The Maine Department of Transportation recognizes the importance of motor carriers as the predominant mode of freight transportation in Maine. Maine Department of Transportation addresses its mission of promoting the safe and efficient flow of motor carrier freight transportation in both the regulatory and transportation planning activity areas.

On the regulatory side, Maine Department of Transportation advises and informs the Commissioner concerning commercial vehicle regulatory policies, including size and weight, safety, and taxation. Maine Department of Transportation provides the Department’s representative on regional and national highway transport groups, and analyzes motor carrier regulatory legislation proposed by the U. S. Congress and the Maine Legislature. The office frequently serves as MDOT’s liaison with other public sector agencies and the private sector on motor carrier issues.

Maine Department of Transportation’s motor carrier transportation planning role includes analysis of planning data such as Weigh In Motion data to determine the impact of motor carrier transportation on Maine’s highway infrastructure. The Office supervises studies that are designed to improve the flow of motor carrier freight transportation in the state and make such transportation safer.

Click on the following for information pertaining to:

Intelligent Transportation Systems

For more information about commercial vehicle operations in Maine please contact Tim Bolton in Maine Department of Transportation.

Commercial Trucking Links

US Census Bureau