Interstate 15 in Utah

Interstate 15 marker
Interstate 15
Veterans Memorial Highway
Map
I-15 highlighted in red
Route information
Maintained by UDOT
Length400.592 mi[1] (644.690 km)
Existed1956–present
NHSEntire route
Major junctions
South end I-15 at Arizona state line
Major intersections
North end I-15 at Idaho state line
Location
CountryUnited States
StateUtah
CountiesWashington, Iron, Beaver, Millard, Juab, Utah, Salt Lake, Davis, Weber, Box Elder
Highway system
  • Utah State Highway System
SR-14 SR-16

Interstate 15 (I-15) runs north–south in the U.S. state of Utah through the southwestern and central portions of the state, passing through most of the state's population centers, including St. George and those comprising the Wasatch Front: Provo–Orem, Salt Lake City, and Ogden–Clearfield. It is Utah's primary and only north–south interstate highway, as the vast majority of the state's population lives along its corridor; the Logan metropolitan area is the state's only Metropolitan Statistical Area through which I-15 does not pass. In 1998, the Utah State Legislature designated Utah's entire portion of the road as the Veterans Memorial Highway.

  1. ^ Cite error: The named reference UDOT was invoked but never defined (see the help page).