b'T R A N S P O R T A T I O NRailroadsA Union Pacic line coming from Blackfoot connects to a smaller line called United States Gypsum in southeastern Butte County which crosses Big Lost River travelling north.5Major Interstates/Highways U.S. 26 Runs from east to west across the lower half of Butte County, passing through the city of Arco and connecting to Blackfoot in the southeast U.S. 20 Connects U.S.26 to Idaho Falls to the east. U.S.93 Runs from Arco north and west into Custer County. State Highway 22 Runs north into Clark County. State Highway 33 Runs east into Jeerson County and on towards Rexburg in Madison County.The roadways with the most trac in Butte County are U.S. 26 and U.S. 20 running to Blackfoot and Idaho Falls, respectively. U.S. 26 which eventually connects southwest to Twin Falls, west to Boise, and northwest to Hailey and Ketchum also carries a sizeable amount of trac.6Road and Bridge SystemButte County Road & Bridge oversees road and bridge construction and maintenance (unknown mileage of roads maintained).Airports Arco-Butte County Airport (AOC)Arco Big Southern Butte Airport (U46)Atomic City Antelope Valley Airport (U92)Grouse Howe Airport (U97)Howe King Mountain Glider Park Airport (ID36)Moore (Private)Public TransportationThere is no public transportation in Butte County.272 I D A H O I N F R A S T R U C T U R E G U I D E B O O K'