Always up to date live Interactive Maps can be found here: Highway Systems | Functional Class

The County System Routes maps listed below are current as of September 2018. They have been constructed in ArcGIS 10.6.1 Using ArcMap. Esri, Inc.

  • These maps are updated annually to show current On System Routes. On System Routes are comprised of the Interstate NHS, Non-Interstate NHS, State Primary, and State Secondary routes.