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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.

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Illinois Department of Transportation

5 Year Functional Classification

FHWA Highway Functional Classification: Concepts, Criteria and Procedures

Select a map to view a graphical representation of FHWA functional classifications for roadways at different levels: County,  Township and Urban.

Functional Classification County Map

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Functional Classification Township Map

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Functional Classification Urban Area Map

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