AMP: 130 Location: US-191 and US-70, Graham Cty Reassurance shield after the 70 split AMP: 139 Location: US-191 and Black Hills Bwy, Graham Cty Reassurance shield after a turnoff to an old US-666 alignment AMP: 153 Location: US-191 and SR 75, Greenlee Cty A few miles later, we’ll enter Greenlee County and approach SRs 75 … Continue reading U.S. Route 191, US-70 to SR 75/SR 78