Highway Access Management - Priority 3: Iowa
- Iowa DOT GIS Services
- The Iowa DOT has established an access management policy to control access to the Primary Highway System. Access Priority Level 3 is for four-lane rural highways with access at interchanges and selected at-grade locations - 1,000 foot minimum, 1/4 mile preferred spacing.
- ArcGIS Open Data
- Iowa, United States
- Contributed by:
- More details at
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