1962 Utah state route renumbering

Coinciding with the designation of several routes in the Interstate Highway System through Utah, the Utah State Legislature made several changes to the Utah State Route system. The bulk of these changes were not visible to the public, but were to unsigned legislative designations only. The primary effect was reserving route numbers 1 through 5 for the future corridors of the Interstate Highways in Utah. Several other routes were truncated or reassigned or split into multiple designations to allow the Interstate Highway corridors to have a single route number assigned. As very little of the Interstate Highway System had been constructed in Utah by 1962, these changes were primarily to support future construction. There were a number of cases where the legislative change enacted in 1962 would not be built and signed until years later. There were also changes made to a few unsigned highways serving state parks and institutions. Few of the changes made in 1962 are still valid today. As construction of the Interstate Highway system proceeded, additional changes were made. The legislature made a larger change in route designations in 1977, eliminating unsigned legislative and concurrences in the process.

This article is part of the
highway renumbering series.
Alabama 1957
Arkansas 1926
California 1964
Colorado 1923, 1968
Connecticut 1932, 1963
Florida 1945
Indiana 1926
Iowa 1926, 1969
Louisiana 1955
Maine 1933
Massachusetts 1933
Minnesota 1934
Missouri 1926
Montana 1932
Nebraska 1926
Nevada 1976
New Jersey 1927, 1953
New Mexico 1988
New York 1921, 1927, 1930
North Carolina 1934, 1937, 1940, 1961
Ohio 1923, 1927, 1962
Pennsylvania 1928, 1961
Puerto Rico 1953
South Carolina 1928, 1937
South Dakota 1927, 1976
Texas 1939
Utah 1962, 1977
Virginia 1923, 1928, 1933, 1940, 1958
Washington 1964
Wisconsin 1926
Wyoming 1927

Though dozens of changes were required, most were to support the following five major changes:

  • State Route 1 was changed to follow the proposed route of Interstate 15 from following U.S. Route 91. While the two routes were similar, they were not identical, and as a result several segments where the two routes differed were assigned new designations.
  • State Route 2 was assigned to the Interstate 80 corridor. Route 2 had previously been used for the legislative designation of U.S. Route 89 through Logan Canyon. A significant portion of the then future I-80 corridor was designated SR-4 prior to 1962, but the two corridors had different routes through the Salt Lake Valley and new route designations were created for the segments where the two differed.
  • State Route 3 was assigned to the then I-80N corridor (modern Interstate 84), it had previously been used for a highway along the western shore of Bear Lake (Utah) (modern US-89 and SR-30). The eastern portion of the I-80N corridor had a single designation, SR-5, however the western portion had previously been split among multiple route numbers.
  • State Route 4 was assigned to the Interstate 70 corridor. SR-4 had been assigned to a Nevada to Wyoming corridor similar, but not identical, to the route of modern I-80 (designated SR-2 with this renumbering). As the I-70 corridor would require connecting multiple previous state routes and new construction, a number of highways were truncated and re-designated to free up this corridor.
  • State Route 5 was assigned to the proposed corridor Interstate 215. Previously SR-5 was used for the eastern portion of then U.S. Route 30S, now Interstate 84 (from Ogden through Weber Canyon to Echo).
Post 1962 Designation Pre 1962 Designation Current Designation From To
State Route 1 State Route 1 I-15 Arizona Hot Springs
State Route 1 None I-15 Hot Springs East of Riverside
State Route 1 State Route 41 I-15 East of Riverside Idaho
State Route 2 State Route 4 I-80 Nevada Lake Point Junction
State Route 2 State Route 67 I-80 Lake Point Junction Salt Lake City
State Route 2 None I-80 Salt Lake City Parleys Canyon
State Route 2 State Route 4 I-80 Parleys Canyon Wyoming
State Route 3 None I-84 Idaho Snowville
State Route 3 State Route 42 I-84 Snowville Haws Corner
State Route 3 State Route 5 I-84 Ogden Echo Junction
State Route 4 State Route 13 I-70 Cove Fort Sevier
State Route 4 State Route 10 I-70 Salina Fremont Junction
State Route 4 None I-70 Fremont Junction Green River
State Route 4 State Route 8 I-70 Green River Colorado
State Route 5 None I-215 Parleys Canyon North of Salt Lake City
State Route 8 State Route 8 US-89, US-6 Springville Green River
State Route 10 State Route 10 SR-10 Fremont Junction Price
State Route 13 State Route 2 US-89 Logan Garden City
State Route 16 State Route 3 SR-16, SR-30, US-89 Wyoming Idaho
State Route 42 State Route 42 SR-42, SR-30 Idaho Snowville
State Route 67 State Route 181A ex-SR-281 Dixie Junior College St. George
State Route 84 State Route 84 SR-126 Roy Hot Springs
State Route 84 State Route 1 US-89 Hot Springs Brigham
State Route 84 State Route 41 SR-13 Brigham East of Riverside
State Route 85 State Route 85 US-91 Southwest of Brigham Brigham
State Route 85 State Route 1 US-91 Brigham Idaho
State Route 171 State Route 4 SR-171 Magna Salt Lake City
State Route 171 State Route 171 SR-171, I-215 Salt Lake City Parleys Canyon
State Route 181A None SR-282 University of Utah Salt Lake City
State Route 201 State Route 4 SR-201 Lake Point Junction Magna
State Route 201 State Route 201 SR-201 Magna Salt Lake City
State Route 201 State Route 4 2100 South Salt Lake City Parleys Canyon

See also
  • State highways deleted by the Utah State Legislature in 1969

References
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