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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

Archaeology

In 1956, the Illinois Department of Transportation established a policy for the preservation of cultural properties found in proposed highway rights-of-ways and currently partners with the Illinois State Archaeological Survey (ISAS) for specialized services, such as archaeological surveys and excavations, field work and reports and documentation to name a few.

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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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