Illinois Department of Transportation (IDOT)

The Illinois Department of Transportation (IDOT) is the state agency responsible for overseeing transportation infrastructure in Illinois. This includes planning, building, maintaining, and improving roads, bridges, and public transit systems to ensure safe and efficient travel. IDOT manages traffic safety initiatives, licenses commercial drivers, and supports transportation-related environmental sustainability efforts. Its work helps facilitate commerce, commuting, and travel across Illinois, contributing to the state's economic growth and quality of life. The agency collaborates with local governments and other partners to deliver these essential transportation services statewide.