Term used for a state-maintained road in Arkansas, Colorado, Idaho, Iowa, Kansas, Louisiana, Michigan, Mississippi, Montana, Nebraska, North Carolina, North Dakota, Oklahoma, South Carolina, South Dakota, Texas, Wyoming.
About the Author: Alex
Cofounder of AARoads.com. Webmaster of both AARoads and Interstate-guide.com. Former cartographer for Mapsource, Inc. and Universal Map Group, LLC. Map specialist for GIS Cartography & Publishing Services.
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