AMP: 56 Location: Andy Devine Ave and I-40, Kingman Reassurance shield at the beginning of 40 Business/Route 66. Most of this loop isn’t state maintained. State maintenance ends where they pavement transitions in the distance, and then doesn’t begin again until Route 66 splits on the west end of downtown. Because of that, there are … Continue reading Interstate 40 Business, I-40/US-93/SR 66 to I-40/US-93