AMP: 415 Location: SR 80 at the New Mexico Line, Cochise Cty Reassurance shield as State Route 80 begins. 80 is the old alignment of US-80, which used to cross the state, hence the high mile markers. AMP: 400 Location: SR 80 and Skeleton Canyon Rd, Apache, Cochise Cty A couple miles after we enter … Continue reading State Route 80, NM-80/NM State Line to US-191