I-25 North - Exits 188B and 189
I-25 North at Exit 188B - Poplar St (WY-220). Approaching Exit 189 - US-20/US-26 West/To WY-220/Rawlins - Shoshoni. WY-220 is routed along Poplar St. but through traffic on WY-220, towards Rawlins, is encouraged to use Exit 189 and to follow US-20/US-26 and the West Casper Belt Route to bypass downtown Casper.
I-25 South - Exits 188B and 188A
I-25 south at Exit 188B - WY-220 West/Poplar St. Approaching Exit 188A - BL-25/BL-87/Center St.
I-25 North - Exits 188B and 189
I-25 North at Exit 188B - WY-220 West/Poplar St. Approaching Exit 189 - US-20/US-26 West/Shoshoni. Continue north on I-25/US-87 North for Midwest.