IDOT Average Annual Daily Traffic 2009

This coverage contains a highway Annual Average Daily Traffic (AADT) subset of the information included in the IDOT Illinois Highway Information System (IHIS) -- Illinois Roadway Information System (IRIS). Information is collected for all public highways as defined in Illinois Compiled Statutes (605 ILCS 5/2-202).

Data and Resources

Additional Info

Field Value
Last Updated September 27, 2017, 14:34 (UTC)
Created August 14, 2017, 19:31 (UTC)