Arizona State Route 99

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State Route 99 marker

State Route 99
Route information
Maintained by ADOT
Length: 44.31 mi[1] (71.31 km)
Existed: 1970 – present
Major junctions
South end: Continues south as Apache-Sitgreaves National Forest service road 34
  I‑40 in Winslow
North end: BIA Route 15 near Leupp
Highway system
  • State Routes in Arizona
SR 98 SR 101

State Route 99 or SR 99 is a 44.31-mile (71.31 km) state highway in the U.S. state of Arizona.

Route description[edit]

The "standin' on the corner" statue and mural in downtown Winslow commemorates the Eagles' song "Take It Easy". The southbound corridor of State Route 99 (West 2nd Street) is visible in the background.

SR 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.


The route was defined by the Arizona Department of Transportation in 1968 as State Route 99.[2][3] A designation of the nearby State Route 377 was deleted in 1983 and added to SR 99.[4] Since then, there have not been any major realignments of the route.

Major intersections[edit]

County Location Mile km Destinations Notes
Navajo   0.0000 0.0000 Dead end
  15.0084 24.1537 SR 87
Winslow 18.2531 29.3755 I‑40 Begin concurrency, interchange
Coconino   24.9350 40.1290 I‑40 End concurrency, interchange
Leupp 44.3093 71.3089 BIA Route 15
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ Arizona Department of Transportation. "2008 ADOT Highway Log". Retrieved 2008-04-09. 
  2. ^ Arizona Highway Department. 1971 Highway Map of Arizona (Section 2) (Map). Section 2. Retrieved February 7, 2011.
  3. ^ Arizona Highway Department. 1971 Highway Map of Arizona (Section 4) (Map). Section 4. Retrieved February 7, 2011.
  4. ^ Arizona Department of Transportation. "Arizona Right-of-Way Resolutions 1968--022 and 1983-15-A-072". Retrieved February 7, 2011.