1977 Utah state route renumbering

This article is part of the
highway renumbering series.
Alabama 1957
Arizona 1960
Arkansas 1926
California 1964
Colorado 1968
Connecticut 1932; 1963
Florida 1945; 1983
Iowa 1969
Louisiana 1955
Maine 1933
Massachusetts 1933
Nevada 1976
New Jersey 1927; 1953
New Mexico 1989
New York 1930
North Carolina 1934;1937;1940;1961
Ohio 1923; 1927; 1962
Rhode Island 1933
Texas 1939
Utah 1977
Virginia 1928; 1933; 1940
Washington 1964

In 1977, the Utah State Legislature changed its system of how state route numbers were used and assigned. Prior to 1977 Utah used a system where every U.S. Highway and Interstate Highway traversing the state was also assigned a different Utah state route number. This state route number was not posted on signs but was only used for legislative purposes, such as funding.[1] There were many instances where having different route numbers for signing and legislative purposes could cause confusion. For example, the highway signed Interstate 15 in Utah was legislatively defined as State Route 1, not route 15. State Route 15 also existed, but was a different route that passed through Zion National Park.[2]

In 1977, the state changed to a system where all highways would have the same legislative route number as its signed route number. For example, Interstate 15 would also be route 15 for legislative purposes. Many state routes were re-numbered to eliminate instances where a state route used the same number as a U.S. Highway or Interstate Highway traversing the state.

In cases where 2 or more routes overlapped, only one of the route numbers sharing the same roadbed would be used in the legislative designation. The other routes in the overlap would have a discontinuity in the legislative description. For example, the stretch of highway between Green River and Crescent Junction is legislatively designated only Interstate 70. The other highways using this same pavement, U.S. Route 6, U.S. Route 50 and U.S. Route 191 all have legislative gaps in their routes for this portion.

Though the law was changed in 1977, most signs changed over in 1978.[1]

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 [2]
2 Legislative designation for I-80 80 [2]
3 Legislative designation for I-84 84 [2]
4 Legislative designation for I-70 70 [2]
5 Legislative designation for Interstate 215 215 [2]
6 Legislative designation for US-40 40 SR-6 immediately re-used as legislative designation for US-6[2]
7 Legislative designation for US-189 189 SR-7 was later re-used for an unrelated highway.[2]
8 Legislative designation for U.S. Route 6 and a piece of U.S. Route 89 from Springville to the Colorado state line 6, 89 SR-8 was later re-used for an unrelated highway.[2]
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.[2]
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[2]
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[2]
27 Legislative designation for US-6 from the Nevada state line to Santaquin 6 [2]
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[2]
40 north–south road west of Ogden 134 SR-40 immediately re-used as the legislative designation for US-40[2]
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[2]
49 Legislative designation for US-89 between I-15 near Lagoon to I-84 near Ogden 89 [2]
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[2]
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.[2]
80 Alpine Loop Scenic Byway 92 SR-80 immediately re-used as the legislative designation for I-80[2]
84 Segment of former US-91 near Roy 126, 13 SR-84 immediately re-used as the legislative designation for I-84[2]
85 Legislative Designation for the reroute of US-91 bypassing downtown Brigham City 91 [2]
89 169 SR-89 immediately re-used as the legislative designation for US-89[2]
163 Segment of former US-91 near Levan 78 SR-163 immediately re-used as the legislative designation for US-163[2]

References

  1. 1 2 Dan Stober. "Utah Highways - Route Overlays". Retrieved 2007-12-04.
  2. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 "Highway Resolutions". Utah Department of Transportation. Retrieved 2007-09-11.

External links

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