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Possible online services disruption due to Internet related outage

A worldwide technology outage is causing disruption to some State of Illinois online systems.  We are aware of this issue and are diligently working on restoration.

Agency Alert

Welcome to the new IDOT home page.  Our location has changed, please update any bookmarks.

Illinois Department of Transportation

Submit an Idea

While many of our most pressing research needs are identified by IDOT staff, we value the input of all of our customers and stakeholders. If you have a research idea that you think IDOT may be interested in, please visit the Illinois Center for Transportation’s website for information about the research process and submitting research proposals.

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Illinois Department of
Transportation
Hanley Building
2300 S. Dirksen Parkway
Springfield, IL 62764

(217) 782-7820 or
TTY (866) 273-3681

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