The Interstate Highways in Utah are maintained by the
Utah Department of Transportation
The Utah Department of Transportation (UDOT) is an agency of the state government of Utah, United States; it is usually referred to by its initials UDOT (pronounced "you-dot"). UDOT is charged with maintaining the more than of roadway that co ...
(UDOT). The
Interstate Highway System
The Dwight D. Eisenhower National System of Interstate and Defense Highways, commonly known as the Interstate Highway System, is a network of controlled-access highways that forms part of the National Highway System in the United States. T ...
is a nationwide system with only a small portion of these routes entering Utah. Originally, the State Road Commission of Utah, created on March 23, 1909 was responsible for maintenance, but these duties were rolled into the new UDOT in 1975.
There are of Interstates within the state. The longest is
Interstate 15
Interstate 15 (I-15) is a major Interstate Highway in the western United States, running through Southern California and the Intermountain West. I-15 begins near the Mexican border in San Diego County and stretches north to Alberta, Cana ...
(I-15) at and the shortest is
I-215 at . One unique former route is
Interstate 415, which was never signed as such, and was only used as a temporary designation for the eastern portion of what is now the
Interstate 215 belt loop around
Salt Lake City
Salt Lake City (often shortened to Salt Lake and abbreviated as SLC) is the capital and most populous city of Utah, United States. It is the seat of Salt Lake County, the most populous county in Utah. With a population of 200,133 in 2020, th ...
.
List
File:I-15indowntown.jpg, I-15 in Salt Lake City
File:I70 at San Rafael swell-Green River.jpg, I-70 through Spotted Wolf Canyon
File:80slctraffic.jpg, I-80 approaching road construction in Salt Lake City
See also
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References
External links
Utah DOT Highway Resolutions
{{DEFAULTSORT:Interstate Highways In Utah
Interstate
The Dwight D. Eisenhower National System of Interstate and Defense Highways, commonly known as the Interstate Highway System, is a network of controlled-access highways that forms part of the National Highway System in the United States. Th ...