AMP: 12 Location: Wyoming Blvd and Casper Mountain Rd, Casper State maintenance will end again, but the WYO 258 designation will continue AMP: 12 Location: Wyoming Blvd and Casper Mountain Rd, Casper Reassurance shield after the WYO 251 junction AMP: 12 Location: Wyoming Blvd and Poplar St, Casper Junction Wyoming 252 coming up here in … Continue reading Wyoming Highway 258, WYO 251 to WYO 252