Idaho State Highway 51 February 2015, some map products such as Google Maps still show SH-51's former overlay with American Legion Blvd. SH-51's northern terminus is in the city of Mountain Home in Elmore County. After turning south from Airbase Rd. and the intersection with SH-67, the road crosses the Snake River into Owyhee County and passes through the towns of Bruneau, Grasmere, and Riddle. About from the state border it enters the Duck Valley Indian Reservation. As the road crosses into Nevada it becomes State Route 225. The reservation's only major town, Owyhee is about south of the state border. After another through
Texas State Highway Spur 51 action was deferred, and later this plan of cancelling Spur 51 was gone. Texas State Highway Spur 51 Spur 51 is a state highway spur in Denton, Texas. It starts at State Highway 114 (SH 114), and ends on Elizabethtown Road. The road is not signed, but the designation has not been cancelled. The number originally belonged to Loop 51, designated on September 25, 1939, from U.S. Highway 77 (US 77) through Yoakum to US 77 (now Alternate US 77). The designation was changed to Business US 77-Q on June 21, 1990. The current route was designated on August 28,