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 32 spur of SR-151 to SR-35 in Francis became State Route 89. SR-151's east end was moved to Francis in 1953, absorbing SR-89. When US-189 was created in 1938, it overlapped US-40 between Heber and Kimball Junction, but it was soon modified to leave US-40 at Hailstone and follow what is now all SR-32 through Kamas to Wanship. For a time, US-189 was moved back to the 1938 routing, with US-189 Alternate on the Kamas route, but by the 1977 renumbering it was back in Kamas, eliminating SR-151 and truncating SR-35. The Utah Department of Transportation (UDOT) built a relocation of