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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

Circular Letters

The Bureau of Local Roads and Streets (BLRS) issues Circular Letters (CL) to: (1) Update or Issue BLRS Pamphlets, Booklets, Special Provisions, and/or Forms; (2) Provide advisory or general information issued by the Federal Government, other bureaus within IDOT, other state agencies, or other groups/organizations. Navigate to Circular Letters to view a complete listing and more detail.

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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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