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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.


Not only does Illinois’ terrain vary across the state, but the urban and rural community landscapes do as well. Illinois offers numerous fun opportunities for residents and visitors – and most often, it is the expansive Illinois transportation system that guides you to these destinations – to mile after magnificent mile in Chicago, the Abraham Presidential Library in Springfield, or to the home of Superman in Metropolis. Places to visit are endless in Illinois.