Major Cities along US 26 (ID) 2024-05-17 Roadnow US 26 (ID) Major Cities MAP Irwin MAP Idaho Falls MAP Swan Valley MAP Ririe MAP Rigby MAP Ucon MAP Blackfoot MAP Moreland MAP Atomic City MAP Arco MAP Carey MAP Picabo MAP Richfield MAP Dietrich MAP Shoshone MAP Gooding MAP Bliss MAP Boise MAP Caldwell