page_title: Interstate 84 (Oregon–Utah)
section_title: Utah
hierarchical_section_title: Interstate 84 (Oregon–Utah) / Route description / Utah
caption_attribution_description: English: A view of w:Echo, Utah and Echo Canyon from Interstate 84
context_page_description: Interstate 84 is an Interstate Highway in the northwestern United States. The highway runs from Portland, Oregon, to a junction with I-80 near Echo, Utah. The sections running through Oregon and Idaho are also known as the Vietnam Veterans Memorial Highway. The highway originally served as a fork of I-80 to serve the Pacific Northwest, and was originally numbered Interstate 80N.
  The highway serves and connects Portland, Boise, and Ogden. Salt Lake City is indirectly served by I-84 via a connection with I-15 in Ogden. Seattle, Washington, is also indirectly served by I-84 via a connection with I-82. With the connection to I-80, I-84 connects these cities to points east.
  I-80N was generally built along the corridor of U.S. Route 30 and US 30S, which themselves largely followed the Oregon Trail; the US 30S designation was decommissioned in the 1970s after the freeway replacement was mostly complete. The highway was signed with the I-84 designation in 1980, when a 1977 change in guidelines took effect that discouraged highway numbers with directional suffixes. The renumbering resulted in two highways being numbered I-84, with the other located in the Northeastern United States.
context_section_description: From Idaho, I-84 enters Utah at a point approximately 7 miles (11.3 km) from Snowville in Box Elder County. It proceeds southeast through Rattle Snake Pass towards Brigham City where I-84 joins I-15 (just west of Tremonton) for its next 40 miles (64 km).
  Just north of Brigham City, at Corinne, Utah, I-84 joins the route of the First Transcontinental Railroad which the highway follows to its terminus. I-15/I-84 heads south to the cities of the Wasatch Front (Or the Ogden-Clearfield Utah Metropolitan part) passing through several smaller communities and then the west side of Ogden before I-84 separates towards Cheyenne, Wyoming, while I-15 heads to Salt Lake City, I-84 follows the Weber River east.
  As the freeway gradually ascends through Weber Canyon it also passes through several small farming communities, including Morgan, where the Browning Arms Company headquarters can be seen from the freeway. Also visible in the canyon is Devil's Slide, an unusual rock formation just off the freeway. Farther up the canyon is the Thousand Mile Tree, planted by Union Pacific Railroad workers to mark 1,000 miles (1,600 km) from the railroad's origin in Omaha, Nebraska.
  The freeway ends at Echo, a near ghost town that before served as a stopover for the railroad, at a junction with Interstate 80, to Cheyenne, Wyoming, and US 189, to Jackson, Wyoming. Also near the junction are Echo Reservoir and Echo Dam.
  The Utah sections of I-84 that are not concurrent with Interstate 15 are defined at Utah Code Annotated § 72-4-114(4).
caption: The eastern terminus of I-84 in Echo, Utah
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