AMP: 287 Location: Navajo Blvd and I-40, Holbrook Reassurance shield after the business loop crosses I-40 and picks up SR 77. Follow this route south to get to 180 east. AMP: 287 Location: Navajo Blvd and Iowa St, Holbrook Reassurance shield for I-40 Business a block later AMP: 286 Location: Navajo Blvd and Hopi Dr, … Continue reading Interstate 40 Business, I-40/SR 77 to US-180/SR 77