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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.

Illinois Department of Transportation

Environmental

Environmental

Navigate to Erosion and Sediment Control for more information in regards to methods to prevent soil and other pollutants from leaving the construction site.

Navigate to Storm Water Management Plan to view more information in regards to storm water runoff pollution and an action plan.

Roadside Maintenance

Navigate to the Roadside Maintenance webpage to view detailed information about invasive species and prairie inventories along side our roadways.

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Contact Us

Illinois Department of
Transportation
Hanley Building
2300 S. Dirksen Parkway
Springfield, IL 62764

(217) 782-7820 or
TTY (866) 273-3681

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