Utah State Route 201 to connect to North Temple). In 1939, the state legislature designated State Route 201, running west on 2100 South from State Street (US-40/US-91) to US-50 (9180 West) in Magna. By 1954, US-50 was moved south to an alignment through central Utah, the old routing mostly replaced by US-50 Alternate (US-50A). However, US-50A was placed in Salt Lake City on 2100 South west of State Street, replacing the SR-201 designation. By 1965, US-40 was realigned along Foothill Drive (then US-40A), the Utah Highway Department believing the Foothill route was more direct in connecting with North Temple toward the airport. US-40A was
Utah State Route 157 Street) was added to SR-157. The result is the current alignment of SR-157 (south from Helper to Kenilworth road, thence northeast to Kenilworth). Utah State Route 157 Utah State Route 157 (SR-157) is a state highway in Carbon County in the U.S. state of Utah. Spanning just over , it connects Helper and Spring Glen with Kenilworth to the northeast. State Route 157 begins on US-6/US-191 at the Poplar Street/Hill Street interchange in the city of Helper. From there the route travels east along Poplar Street before turning south onto South Main Street. The route then continues south along South