AMP: 579 Location: SR 67 and US-89A, Coconino Cty Reassurance shield at the beginning of SR 67, a spur to the North Rim of the Grand Canyon AMP: 585 Location: SR 67 and NF-212, Coconino Cty A few miles later, turn right for NF-212. Mileposts increase from north to south on 67 for whatever reason … Continue reading State Route 67, US-89A to Grand Canyon National Park