AMP: 161 Location: I-40 and Route 66, Coconino Cty Reassurance shield after the loop rejoins as we leave Williams AMP: 151 Location: I-40 and Welch Rd, Coconino Cty Reassurance shield after a forest road a few miles later AMP: 151 Location: I-40 and Welch Rd, Coconino Cty After Welch Rd, we’re 4 miles from SR … Continue reading Interstate 40, I-40 Bus to I-40 Bus/SR 89