AMP: 188 Location: I-25 and Poplar St, Casper As we enter the city of Casper, we’ll want to exit for WYO 220, which is the primary route west out of Casper towards Rawlins/Laramie/Salt Lake City/etc. It’s slightly surprising that it’s only signed as “Poplar Street” S to I-25 Bus/US-87 Bus, N to WYO 254 E … Continue reading Interstate 25, US-20/US-26 to WYO 220