List of Interstate Highways in Utah
The Interstate Highways in Utah are maintained by the Utah Department of Transportation (UDOT). The Interstate Highway System 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 (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.
Brandon, South Dakota
Interstate 90, the longest interstate highway in the United States, is located along the city's northern border with Corson and serves as a major east–west route through the city. South Dakota Highway 11 (known as Splitrock Boulevard in the city limits) runs a north–south route as well. Most businesses in Brandon are located on Splitrock Boulevard. Other major roads include Holly Boulevard, Sioux Boulevard, and Aspen Boulevard. Aspen Boulevard directly connects Brandon to other communities east of it such as Valley Springs, South Dakota; Beaver Creek, Minnesota; and Luverne, Minnesota.