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 204 pair of streets, 21st and 20th streets (SR-104), followed by the Ogden River and 12th Street (SR-39), before ending just north of the city limits in Harrisville at Harrisville Road (US-89). In 1931, the Utah State Road Commission designated State Route 103 in the area of what would later become State Route 204. However, it is unclear whether this route followed the exact alignment of Route 204, based on the legislative descriptions of 1931 "From West Ogden northerly to junction with route 1 at North Ogden Hot Springs", and 1933 "From Ogden, at a point between Washington avenue and Wall