Business Loop I-84 - Mountain Home

Mountain Home represents the largest city between Boise and Twin Falls. There Business Loop I-84 branches southward from Exit 90 to run along old U.S. 30 to the city center. Within the business district, Business Loop I-84 separates with traffic eastbound following Main Street and westbound along 2nd Street. The east leg of the route follows American Legion Boulevard from Idaho State Highway 51 to Exit 99, where U.S. 20 splits with I-84 east.

ITD inventories the Mountain Home Business Loop with 5.931 miles. The route is amply sign per a drive along the route in August 2016.

Updated August 1, 2026