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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

Labs

IDOT conducts specialized testing for Alkali-Silica Reactivity (ASR) ASTM C 1567, but also approves external laboratories to perform the test on its behalf.

If you would like to become an approved lab please contact the department for additional instructions.

Brian Lokaitis
(217) 782-4028
Brian.Lokaitis@illinois.gov
Cement Lab Supervisor
Bureau of Materials 
Office of Highways Project Implementation

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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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