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 |
[3] |
2 |
Legislative designation for I-80 |
80 |
[3] |
3 |
Legislative designation for I-84 |
84 |
[3] |
4 |
Legislative designation for I-70 |
70 |
[3] |
5 |
Legislative designation for Interstate 215 |
215 |
[3] |
6 |
Legislative designation for US-40 |
40 |
SR-6 immediately re-used as legislative designation for US-6[3] |
7 |
Legislative designation for US-189 |
189 |
SR-7 was later re-used for an unrelated highway.[3] |
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.[3] |
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.[3] |
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[3] |
27 |
Legislative designation for US-6 from the Nevada state line to Green River |
6 |
[3] |
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[3] |
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[3] |
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[3] |
40 |
North–south road west of Ogden |
134 |
SR-40 immediately re-used as the legislative designation for US-40[3] |
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[3] |
49 |
Legislative designation for US-89 between I-15 near Lagoon to I-84 near Ogden |
89 |
[3] |
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[3] |
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.[3] |
80 |
Alpine Loop Scenic Byway |
92 |
SR-80 immediately re-used as the legislative designation for I-80[3] |
84 |
Segment of former US-91 near Roy |
126, 13 |
SR-84 immediately re-used as the legislative designation for I-84[3] |
85 |
Legislative Designation for the reroute of US-91 bypassing downtown Brigham City |
91 |
[3] |
89 |
Bypass of Eden, Utah |
169 |
SR-89 immediately re-used as the legislative designation for US-89[3] 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[2] |
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 |
|