b'T R A N S P O R T A T I O NRailroadsA branch of the Union Pacic railroad runs north through Idaho Falls, on its way to the Montana border. Additionally, Eastern Idaho Railroad (EIRR) operates a southeastern track that contains 116 miles and runs from a UP connection at Idaho Falls to Ashton (51 miles). Connecting branch lines run from Orvin to Lincoln and Newdale (39 miles), and from Lincoln to Ammon; Ucon to Menan; and St. Anthony to Edmonds. Trac includes grain and agricultural products, food products, coal, limestone, aggregates and chemicals.Major Interstates/Highways I-15 is the primary north-south highway of Eastern Idaho. It connects Idaho Falls with Pocatello to the south and the Montana border to the north. US 20 enters the county to the west of Idaho Falls and then turns north on its way to Island Park.Road and Bridge SystemBonneville Countys Road and Bridge Division maintains more than 1000 miles of county roadways including 103 State-inspected bridges (20 span or greater), hundreds of local bridges (less than 20 span) and thousands of drainage structures and road signs. The Division also works closely with the U.S. Forest Service to maintain nearly 100 miles of roads within their boundaries. 6Airports Idaho Falls Regional Airport (IDA)Idaho Falls Rainbow Ranch Airport (ID87)Idaho Falls (Private) Huskey Airport (ID72)Irwin (Private)Public TransportationLimited passenger service by Greyhound Bus Line, Salt Lake Express (van and bus)BONNEVILLE County 251'