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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

Soils

Focus areas include testing, acceptance and approval for embankments, foundations, mechanically stabilized earth walls, modification of soils, and soil stabilization. Other focus areas include calibration, maintenance, leak testing, and repair/modification of nuclear density and asphalt content gauges.

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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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