Traffic data is generally available from state highway departments. In some cases, counties and municipalities may have more detailed information. The files below are from the Arkansas State Highway and Transportation Department.
We've only listed some of the most commonly used GIS links here.
The University's Center for Advanced Spatial Technologies (CAST) has purchased demographic and business data from Esri, the dominant GIS software company. The data is licensed, and therefore there will be a charge for accessing the data. Please contact CAST at firstname.lastname@example.org for more information.