AMP: 278 Location: SR 87 and SR 260, Coconino Cty Reassurance shield after the 260 split AMP: 280 Location: SR 87 and NF-300, Coconino Cty About a mile and a half later, turn right for Route 300. Stay straight for SR 87 AMP: 280 Location: SR 87 and NF-300, Coconino Cty Reassurance shield after the … Continue reading State Route 87, SR 260 to SR 99