AMP: 343 Location: US-180 and SR 180A, Apache Cty Reassurance shield after the 180A junction AMP: 307 Location: US-180 and SR 77, Navajo Cty We’ll traverse several boring miles, and eventually approach SR 77 AMP: 307 Location: US-180 and SR 77, Holbrook As we approach 77, we’ll enter Holbrook AMP: 307 Location: US-180 and SR … Continue reading U.S. Route 180, SR 180A to SR 77