1977 Utah state route renumbering

Pre 1977 state route number Route description Post 1977 state route number Notes 1 Legislative designation for I-15 also US-91 prior to 1974. 15 ^[1] 2 Legislative designation for I-80 80 ^[1] 3 Legislative designation for I-84 84 ^[1] 4 Legislative designation for I-70 70 ^[1] 5 Legislative designation for Interstate 215 215 ^[1] 6 Legislative designation for US-40 40 SR-6 immediately re-used as legislative designation for US-6^[1] 7 Legislative designation for US-189 189 SR-7 was later re-used for an unrelated highway.^[1] 8 Legislative designation for U.S. Route 89 from Moark Junction to north of Lehi 89 SR-8 was later re-used for an unrelated highway.^[1] 9 Legislative designation for current US-191 between Crescent Junction and Monticello and US-491 between Monticello and Colorado. At one time these highways had a single signed designation, U.S. Route 160 163, 666 SR-9 was immediately re-used on an unrelated highway. This portion of 163 has since been re-numbered 191, and 666 has been completely replaced with 491.^[1] 11 Legislative designation for US-89 and US-89A from state line to junction with I-70 89/89A Kept and signed as designation for US-89A south of Kanab. Formally replaced with route 89A in 2008. 13 Legislative designation for US-89 from Logan to Bear Lake 89 SR-13 immediately re-used for an unrelated route. 15 Zion Park Scenic Byway 9 SR-15 immediately re-used as the legislative designation for I-15^[1] 16 Route along the western shore of Bear Lake from the Wyoming state line near Woodruff to the state line near Paris, Idaho 16, Eastern segment of 30, 89 Route truncated, the southern portion remains SR-16 today, while the northern portion was transferred to other routes, including the part signed as US-89. 26 A signed route between Delta and Salina, now part of US-50. 50 SR-26 immediately re-used for former SR-50. SR-50 and 26 exchanged designations^[1] 27 Legislative designation for US-6 from the Nevada state line to Green River 6 ^[1] 28 Route formerly continued south of its current terminus at Gunnison as a legislative designation for a portion of US-89 to Salina 89, 28 Portion used for US-89 truncated, independent portion kept^[1] 32 Legislative designation for U.S. Route 89 from SR-28 at Gunnison to US-6 at Thistle, Utah 89 SR-32 eventually reused for a former portion of U.S. Route 189^[1] 35 Route formerly continued north from current terminus as the legislative designation for US-189 north to I-80 189, 35 Portion used for US-189 truncated, independent portion kept^[1] 40 North–south road west of Ogden 134 SR-40 immediately re-used as the legislative designation for US-40^[1] 47 Legislative designation for U.S. Route 163 from Arizona to Monticello, was signed prior to 1971. 163 North of Bluff has since been redesignated US-191^[1] 49 Legislative designation for US-89 between I-15 near Lagoon to I-84 near Ogden 89 ^[1] 50 Riverdale Road in Riverdale and Ogden 26 SR-50 immediately re-used as the legislative designation for US-50. SR-50 and 26 exchanged designations^[1] 51 Connector between SR-16 and the Wyoming state line in the far north eastern corner of Utah Eastern segment of 30 69 Alternate route between Brigham City and Logan via Bear River canyon. Central segment of 30, 69 The southern portion of the route (south of Deweyville) kept the SR-69 designation; later extended north to Collinston; to be later renumbered SR-38 70 Route along the north shore of the Great Salt Lake in extreme northern part of the state Western segment of 30 SR-70 immediately re-used as the legislative designation for I 70.^[1] 80 Alpine Loop Scenic Byway 92 SR-80 immediately re-used as the legislative designation for I-80^[1] 84 Segment of former US-91 near Roy 126, 13 SR-84 immediately re-used as the legislative designation for I-84^[1] 85 Legislative Designation for the reroute of US-91 bypassing downtown Brigham City 91 ^[1] 89 Bypass of Eden, Utah 169 SR-89 immediately re-used as the legislative designation for US-89^[1] SR-169 has since been removed from the state route system. 102 East of Lampo Junction to Deweyville 30, 102 106 Becks to Farmington (part was the legislate route of US 89) 89, 106 151 Legislative designation for US-189 from Francis to Hailstone Junction 189 163 Segment of former US-91 near Levan 78 SR-163 immediately re-used as the legislative designation for US-163^[1] 169 Legislative designation for US-89 from SR 106 in Bountiful to north of Bountiful 89 259 Legislative designation for US-89 from Kanab to the Arizona border 89 271 Legislative designation for U.S. Route 89 from Near Draper Crossroads to SR 106 in Becks 89