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SCAM ALERT:  A current text message smishing scam claims recipients owe money associated with traffic tickets, tolls, and other fines.  These are not legitimate messages from the Illinois Department of Transportation.  If you receive a message report it to the Federal Trade Commission and/or the FBI’s Internet Crime Complaint Center.

Illinois Department of Transportation

Average Annual Daily Traffic

The Traffic maps listed below display the annual average daily traffic (AADT) on the State Primary system. The Primary system contains the roads that are marked as an Interstate, United States Route, or Illinois Route. These files are very large and may take a significant amount of time to download.

More detailed AADT counts are available on the interactive GIS application

Statewide Traffic Maps

Chicago Area Traffic Maps

East St. Louis Area Traffic Maps

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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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