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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.

Roadside Maintenance

Roadside maintenance is important at IDOT. We ensure that our roadsides and right-of-ways are maintained and cleared of debris, and we take a special interest in preserving the native wild prairie lands. Below, you can find prairie inventory reports and information on how to protect our wild prairies from invasive species.