AMP: 116 Location: Poplar St and 1st St, Casper Reassurance shield after the 20/26 business junction AMP: 117 Location: Poplar St and Big Horn Rd, Casper Junction I-25 coming up AMP: 117 Location: Poplar St and Big Horn St, Casper You’ll want to be in the left lane for I-25 North and the right for … Continue reading Wyoming Highway 220, US-20 Bus/US-26 Bus to I-25/US-20/US-26/US-87