Access Control to the Primary Highway System: Iowa
- Iowa DOT GIS Services
- The Iowa DOT has established an access management policy to control access to the Primary Highway System. This layer depicts all non-Priority 1 classified system priorities for the primary highway system. This symbolization was developed for utilization by the Electronic Permitting System (EPS) at the Iowa Department of Transportation.
- State of Iowa Open Data
- Iowa, United States
- Contributed by:
- More details at
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