Business Loop I-15 - Tremonton and Elwood

A second cosigned route for Business Loop I-15/84 branches north from I-15/84 at Exit 376 in the town of Elwood. The pair follow SR 13 (5200 West) north to a rural intersection with SR 102 (Main Street), where they turn west into the city of Tremonton. Beyond the city center, Business Loop I-15 rejoins I-15 via the locally maintained roads of 1000 West and 1000 North to Exit 381. Business Loop I-84 remains paired with SR 102 to I-84 at Exit 40.

Shields or trailblazers for I-15 and I-84 were posted on Main Street at 1000 West and other turns the routes make as observed in July 2016.