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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.

Construction Services

The actual construction of projects identified in IDOT's Multi-Modal Multi-Year Transportation Improvement Program is outside of IDOT's scope of work. IDOT utilizes outside contractors to fulfill this role. The department is committed to maintain the state’s highway system through a successful business venture with the contractor community. 

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