Arizona State Route 99
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State Route 99 starts in Leupp, Arizona in the Navajo Indian Reservation and heads south to Interstate 40 west of Winslow. Heading into Winslow, State Route 99 runs on a shared insight with I-40, then exiting I-40 in Winslow onto Business Loop 40 / Historic US 66 (this stretch is unsigned). In Winslow state route 99 heads south on State Route 87 beginning again south of Winslow where state route 99 separates and heads towards the edge of the Apache Forest where the state maintenance of the road ends.