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 99 State Route 99 was assigned to a road also in Millard County that linked the Topaz War Relocation Center used in World War II. Utah State Route 99 State Route 99 (SR-99) is a state highway in the US state of Utah providing a business loop around I-15 for the town of Fillmore in the central portion of the state. The route is the main street for the town and spans . The highway was established 1969 as I-15 was constructed through the area, replacing US-91. The highway begins at a diamond interchange on I-15 at exit 163 heading southeast.