Utah State Route 280

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State Route 280 marker

State Route 280
100 South
Route information
Defined by Utah Code §72-4-133
Maintained by UDOT
Length: 0.399 mi[1] (0.642 km)
Existed: 1961 – present
Major junctions
West end: I‑80 / US‑189 in Coalville
East end: Main Street in Coalville
Highway system
SR-279 SR-281

State Route 280 is a state highway completely within Summit County in the northern portion of the U.S. state of Utah connecting I-80 in Coalville to Main Street in the same town in a span of 0.39 miles (0.63 km). The entirety of the highway is named 100 South.

Route description[edit]

The highway begins at a diamond interchange on I-80 at exit 162 west of the center of Coalville and heads northwest on a two-lane undivided highway. SR-280 enters downtown Coalville and terminates on Main Street.[2]

History[edit]

Prior to the construction of I-80, SR-4 (US-189) passed through Coalville on Main Street. To retain access to the town once I-80 replaced the surface road, the State Road Commission designated State Route 280 in 1961 as a short connection between I-80 and Main Street on Icy Springs Road (100 South).[3] Before serving its intended purpose, the road briefly formed part of SR-2 (which had replaced SR-4 in 1962) and US-189, since I-80 was completed west of SR-280 before the portion east to Echo opened. A temporary ramp left the right side of SR-280 where the ramp to I-80 east now begins, and curved left into the westbound lanes of I-80 just before the Interstate crosses under SR-280.[4]

Major intersections[edit]

The entire route is in Coalville, Summit County.

Mile[1] km Destinations Notes
0.000 0.000 I‑80 to I‑84 – Park City, Ogden, Evanston Western terminus
0.399 0.642 Main Street Eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References[edit]

Route map: Google / Bing