Utah State Route 186 Utah State Route 186 State Route 186 (SR-186) is a state highway entirely within Salt Lake City, capital of the U.S. state of Utah. It forms a quarter-beltway connecting US-89 and I-15 leading north from Salt Lake City to I-80 leading east; as such, it effectively forms the missing (non-freeway) quarter of the I-215 belt route around the city, though it does not directly connect to I-215 at the north end. Despite this beltway role, the route passes through downtown Salt Lake City because downtown is built right up to the northern mountains surrounding City Creek Canyon. The portion of
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