Utah State Route 68 and Camp Williams Road in Utah County. The route is a surface street for its entire length. SR-68 became a state highway in 1931, at which time the route ran from then–US-40 (North Temple Street) in Salt Lake City to present-day US-89 in Lehi. In 1933, the route was extended north to US-89 at Beck's Hot Springs. SR-68 was routed onto Redwood Road in 1943, taking over what had been designated SR-153. In 1960, SR-68 switched alignments with SR-249 to follow Redwood Road and 2300 North to Bountiful; the route was extended south to Elberta at this time also. SR-249
Utah State Route 51 of the oldest grade separated interchanges in Utah still in use. Although portions of Interstate 15 were constructed in 1955, the Beck Street interchange (I-15/US-89) is the only original structure from 1955 still in use. Utah State Route 51 State Route 51 is a short highway completely within Utah County in northern Utah that connects SR-147 to US-89. The highway runs for three miles (5 km) and is an old routing of U.S. Route 91. The route begins at the intersection of 400 North (SR-147) and Childs Road in Spanish Fork, SR-51 heading northeast as a two-lane undivided highway on