Utah State Legislature have been many changes to the structure of the legislature, the number of Senators and Representatives, and the location of the Capitol, the Salt Lake Council Hall served as the meeting place for the Utah Territorial legislature, and in 1896 the Utah State Legislature designated Fillmore, Millard County, Utah, as the state capital. The Fillmore Capitol was abandoned and the Utah Legislature met in Salt Lake City at various locations including The Council House (Main and South Temple streets), the Industrial Christian Home for Polygamous Wives, the Social Hall (Social Hall Avenue), the old Salt Lake County Courthouse (Second South
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