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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

Bituminous Chemistry Forms

Clicking a hot link below will take you directly to the form listed in the title. These forms are provided as tools to ensure that the correct data is supplied to IDOT when submitting samples.

Note: IDOT PDF forms can be opened directly when using Internet Explorer. If using a different web browser (Google Chrome, Mozilla FireFox), right-click the form link and select “Save link as…” to download a working copy.  PDF forms are currently not compatible with mobile or Apple (iOS) devices.

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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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