The Tennessee Department of Transportation (TDOT) is a state agency responsible for the planning, construction, and maintenance of the transportation system in Tennessee. This includes highways, bridges, and public transit systems. TDOT aims to ensure safe and efficient travel for residents and visitors throughout the state. In addition to managing roadways, TDOT also oversees various programs related to traffic safety, environmental stewardship, and transportation planning. The agency works closely with local governments and other organizations to improve infrastructure and promote sustainable transportation options across Tennessee.