Utah State Route 268 grade-level at 400 West and continues east for another block before terminating at US-89 (Beck Street). The State Road Commission designated SR-268 in 1960, connecting proposed I-15 to SR-1 (US-89/US-91) along 600 North. Utah State Route 268 State Route 268 is a state highway in the U.S. state of Utah that connects I-15 to US-89 in a span of . The highway is completely within Salt Lake City and is routed along 600 North. The highway begins just west of the interchange with I-15 at 800 West. Immediately following that intersection, a short viaduct begins. After the structure tops out,
Utah State Route 123 numbered SR-124 but changed to SR-123 in 1933. The route was shortened in 1935 by moving the eastern terminus back into Sunnyside, and splitting off the portion from Sunnyside to Columbia as SR-124. Utah State Route 123 Utah State Route 123 (SR-123) is a state highway in the U.S. state of Utah. Spanning , it connects the city of East Carbon with US-6 / US-191 in Carbon County. State Route 123 begins at Sunnyside Junction on US-6/US-191, about southeast of Price. It heads east, passing through East Carbon-Sunnyside at the base of the Book Cliffs. It turns to the northeast