Every day, IDOT strives to provide safe, cost-effective transportation for Illinois in ways that enhance quality of life, promote economic prosperity, and demonstrate respect for our environment.

Welcome to the Travel and Maps section of the IDOT website, designed to equip you with real-time information and essential resources for planning your trips across Illinois.

IDOT has responsibility for the planning, construction, operation and maintenance of Illinois' extensive transportation network, which encompasses highways and bridges, airports, waterways, public …

Access the Procurement section of the IDOT website for available procurement opportunities, contract compliance resources, and required policies and procedures for vendors.

Welcome to the Careers section of the IDOT website, your central hub for discovering exciting employment opportunities within our organization. We invite all potential applicants, including …

IDOT offers comprehensive resources on various topics related to roadway transportation in the state, check out the resources below for studies, reports, and data related to roadway and highway travel.

With mobility, convenience, and safety in mind, IDOT makes it a priority to consistently update our motorists on planned lane changes or closures due to road construction projects and other planned …

In a way that brings the Illinois transportation infrastructure into the 22nd century before we get there, because the next transportation revolution is due now — in the United States and in Illinois. It is …

View lists of prequalified vendors, learn if you qualify and submit your registration to partner with IDOT. Submit statement of Interest and get bid authorization for upcoming opportunities.

IDOT strives to ensure that Illinois residents, businesses, and visitors are provided with a transportation system that is safe, accessible, sustainable, environmentally conscious, and makes connections …