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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

Physical Research Reports (PRR)

PRR represent the results of research conducted by IDOT subject-matter experts on a wide variety of transportation issues since 1964.  For more information about how to create or submit a PRR, please contact the Bureau of Research. 

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PRR No. Title

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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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