AMP: 285 Location: I-40 and Hopi Dr, Holbrook Reassurance shield as US-180 joins and the business loop ends. 180 will stay with I-40 to Flagastaff AMP: 283 Location: I-40 and Perkins Valley Rd, Navajo Cty Reassurance shield as we head out of Holbrook AMP: 280 Location: I-40 and Hunt Rd, Navajo Cty Reassurance shield calling … Continue reading Interstate 40, I-40 Bus/US-180 to I-40 Bus