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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.

Material Producers

IDOT approves all materials to be used on construction projects and publishes updated approved lists constantly. In order to sell your product to contractors working on IDOT projects, you must first seek to be qualified. Please navigate to the Material Approvals webpage for more information.

To view information on the regulation construction materials as well as qualified product lists, please select the appropriate lab.

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