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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.

Informational Circular Letters

The following Circular Letters (CL) have been issued by the Bureau of Local Roads and Streets (BLRS) and are informational in nature. These letters were issued to the appropriate Local Agency and/or Consultants who were on the BLRS's mailing list. Please view the Informational CL list PDF for more information.

Many of these CL contain attachments that may have been revised and/or are now available electronically through the internet.

To download a file to your hard drive, click the right mouse button and choose "save target as."

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