The U.S. state of

Utah Utah is a landlocked state in the Mountain states, Mountain West subregion of the Western United States. It is one of the Four Corners states, sharing a border with Arizona, Colorado, and New Mexico. It also borders Wyoming to the northea ...

, 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 responsible for approximately 5,900 miles (9,495 kilomet ...

(UDOT) operates a system of state routes that serve all portions of the state. In official documents the state of Utah uses the term "state routes" for numbered, state maintained highways, since the legal definition of a "highway" includes any public road. UDOT signs state routes with a

beehive A beehive is an enclosed structure which houses honey bees, subgenus '' Apis.'' Honey bees live in the beehive, raising their young and producing honey as part of their seasonal cycle. Though the word ''beehive'' is used to describe the nest of ...

symbol after the state's nickname of the beehive state. There are of state routes in Utah. The numbers and routes of all Utah highways are assigned by the state legislature, currently documented in Utah Code Title 72, Chapter 4. The code also defines the Utah maintained portions of

Interstate The Dwight D. Eisenhower National System of Interstate and Defense Highways, commonly known as the Interstate Highway System, or the Eisenhower Interstate System, is a network of controlled-access highways that forms part of the National H ...

and

U.S. Highways The United States Numbered Highway System (often called U.S. Routes or U.S. Highways) is an integrated network of roads and highways numbered within a nationwide grid in the contiguous United States. As the designation and numbering of these h ...

. With the exception of state route numbers assigned to match

and Interstate Highways, Utah state route numbers are not designated per any consistent pattern, though there are a few regional clusters of sequentially numbered highways. There have been multiple changes to the numbering of state routes. Since 1969, the block of numbers between 281 and 320 is reserved for routes serving state institutions and state parks. With a few exceptions, these routes do not have their numbers publicly posted. Since 1977, the legislative designations do not have any concurrencies. For the situations where two numbered roads share the same physical roadbed, one of the designations will have a discontinuity in the legislative designation. For example, Interstate 84 is defined as a highway with two separate segments in Utah code, the part where I-84 is signed concurrent with

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, Ca ...

is only legally designated I-15. Two Utah state Routes are special cases. State Route 900 and 901 are actually federal and county-maintained dirt roads that were assigned state numbers as to give the state power to block the transportation of nuclear waste to a proposed dump on

Goshute The Goshutes are a tribe of Western Shoshone Native Americans. There are two federally recognized Goshute tribes today: * Confederated Tribes of the Goshute Reservation, located in Nevada and Utah * Skull Valley Band of Goshute Indians of ...

tribal lands. The longest contiguous highway signed as a Utah State Route is State Route 24 at , but State Route 30 is longer at when unsigned concurrencies are included. The longest highway of any type in Utah is

U.S. Route 89 U.S. Route 89 (US 89) is a north–south United States Numbered Highway with two sections, and one former section. The southern section runs for from Flagstaff, Arizona, to the southern entrance of Yellowstone National Park. The northern sectio ...

at . The shortest state route is State Route 231, a connector route in Fairview, though this route is unsigned. The shortest signed route is State Route 103 at long, connecting

Hill Air Force Base Hill Air Force Base is a major U.S. Air Force (USAF) base located in Davis County, Utah, just south of the city of Ogden, and bordering the Cities of Layton, Clearfield, Riverdale, Roy, and Sunset with its largest border immediately adja ...

I-15 I15 may refer to: * Interstate 15, a north–south Interstate Highway in the United States of America * Polikarpov I-15, a Soviet fighter aircraft * I15 (band), a band * , of the Imperial Japanese Navy * Älvsborg Regiment The Älvsborg Regiment ...

and SR-126.

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UDOT Data Analytics division

{{Utah

State highways A state highway, state road, or state route (and the equivalent provincial highway, provincial road, or provincial route) is usually a road that is either Route number, numbered or maintained by a sub-national state or province. A road numbered ...

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