Idaho State Highway 46
State Highway 46 is a state highway in southern Idaho that runs north–south across the Magic Valley region. It connects U.S. Route 30 in Buhl to Interstate 84 in Wendell, US-26 in Gooding, and US-20 east of Fairfield.
Route description
SH-46 begins at a junction with US 30 in eastern Buhl, located in Twin Falls County. The highway travels north along North 1500 East, skirting the east side of the city and crossing the tracks of the Eastern Idaho Railroad, and travels through a rural area while descending a 6 percent grade near Clear Springs. SH-46 crosses over the Snake River on Ken Curtis Bridge near Clear Lake Park and enters Gooding County, ascending from the river canyon and turning east onto 3500 South. The highway continues north on the Rex Leland Highway to an interchange with Interstate 84 in southern Wendell.SH-46 travels north through Wendell on Idaho Street and intersects Main Street, which carries a short spur route that connects it to another interchange with I-84. The highway continues north to Gooding, where it intersects US 26 and passes the Idaho School for the Deaf and Blind. After leaving the city and crossing the Big Wood River, SH-46 veers northeasterly to avoid several buttes and hills in the Mount Bennett Hills, crossing into Camas County. Near the McHan Reservoir, the highway reaches the summit of Johnson Hill, located at an elevation of, and begins its descent into the Camas Prairie. After descending over, it turns northwest and reaches its northern terminus with US 20, east of Fairfield.