The Maine Department of Transportation (MDOT) is a state agency responsible for maintaining and improving the transportation infrastructure in Maine. This includes overseeing the construction and maintenance of roads, bridges, and public transit systems to ensure safe and efficient travel for residents and visitors. MDOT also manages various transportation programs, including those related to bicycle and pedestrian safety, as well as traffic management. The agency works to enhance the overall transportation network while promoting sustainable practices and addressing the needs of the community.