Buffalo Soldier
State Spur Route 90 (1) (SR 90 Spur) is a long spur route of SR 90. The route begins immediately south of SR 90 on Buffalo Soldier Trail. The spur travels north along Buffalo Soldier Trail to a traffic light with SR 90 and the second SR 90 Spur. The second spur begins at the western end of the intersection. The remainder of Buffalo Soldier trail acts as the western edge of Sierra Vista. The road also provides a direct connection to SR 92 and can be used as a bypass of downtown Sierra Vista by SR 90 traffic headed to SR 92. All of SR 90 Spur is unsigned.