Illinois Department of Transportation, Erica Borggren, Acting Secretary
Patrick J. Quinn, Governor
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The Illinois Department of Transportation (IDOT) has responsibility for planning, construction and maintenance of Illinois' extensive transportation network, which encompasses, highways and bridges, airports, public transit, rail freight and rail passenger systems. It operates with an annual budget of approximately $5 billion.

General inquiries about IDOT can be directed to the Illinois Department of Transportation, 2300 S. Dirksen Parkway, Springfield, Illinois 62764 (217) 782-7820 or TTY (217) 524-4875.

The mission of IDOT is to provide safe, cost-effective transportation for Illinois in ways that enhance quality of life, promote economic prosperity, and demonstrate respect for our environment.  We will accomplish our mission while making the following principles the hallmark of all our work:  Safety, Integrity, Responsiveness, Quality, and Innovation.

To view the various modal divisions or bureaus that assist in accomplishing this mission, please see the current IDOT Annual Report.

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