
WY-220 East Approaching WY-257
WY-220 East approaching WY-257. WY-257 is a bypass around the west side of Casper. Use WY-257 north for I-25/US-20/US-26/US-87 to Sheridan (via I-25 North), Cheyenne (via I-25 South) and Shoshoni (via US-20/US-26 West).

End WY-257 South at WY-220
End WY-257 South (Casper West Belt) at WY-220. Use WY-220 West to Rawlins; WY-220 East to Casper.