AMP: 387 Location: Apache Ave and US-180, Holbrook Reassurance shield as US-180 joins SR 77. The road uses 77’s mileposts and 180 isn’t even marked here. Follow 77 to I-40 AMP: 388 Location: Apache Ave and Romero St, Holbrook As we prepare to cross the railroad tracks, we’ll get advance signage for Business 40 AMP: … Continue reading U.S. Route 180, SR 77 to I-40 Bus/SR 77