Annual Average Daily Traffic Counts are provided for the Region by the Illinois and Iowa Departments of Transportation and the Rock Island Arsenal.  Bi-State staff has combined these counts on a time series of maps of the Quad Cities Metropolitan Area and they are available in PDF format.

folder Traffic Count Maps - The QC Traffic Count Maps were created by Bi-State Regional Commission Staff using the Iowa DOT, Illinois DOT, and Rock Island Arsenal traffic count data most relevant to the year each map was created.

The Illinois and Iowa Departments of Transportation (DOTs) provide current traffic count data.
Illinois DOT
Iowa DOT: County | Iowa DOT: City