Highway 220
Wyoming Highway 220 travels 44 miles southwest from Casper to Alcova Reservoir, Pathfinder Reservoir and U.S. 287 at Three Forks in Carbon County. The state highway begins south along on Poplar Street in Casper from Interstate 25 Exit 188 B. Heading south through western Casper, WY-220 angles southwest on CY Avenue to Red Butte en route to Independence Rock.
Prior to 1938, the route of WY-220 was signed as U.S. 87E. The west end of WY-220 at U.S. 287 connects Casper south to Rawlins and northwest to Lander.
South
WY-220 begins south along Poplar Street at a diamond interchange (Exit 188 B) with Interstate 25 just west of the North Platte River at Casper.
09/01/04
Photo Credits:
- Andy Field: 09/01/04
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Page Updated Monday July 07, 2025.