- The Michigan Department of Transportation (MDOT) is one of many state departments within Michigan's Executive Branch. The department's primary functions are the construction, improvement, and maintenance of the state transportation system, and the administration of other state transportation programs. The laws and regulations concerning MDOT, as well as the transportation industry, are set forth by the Michigan Legislature.
MDOT's Office of Governmental Affairs represents the department's interests as new legislation develops or moves through the legislative process.
Legislative Transportation Committees