b'T R A N S P O R T A T I O NRailroadsThe mainline of the Union Pacic railroad runs east-west through the county. At Soda Springs, a branch of the railroad runs north and then east into Dry Valley to service the phosphate operations there.Major Interstates/Highways US-30 is an east-west highway that crosses through the southern part of the county; it connects Soda Springs to Montpelier in the southeast and to Lava Hot Springs and the I-15 corridor in the west.Road and Bridge SystemCaribou County Road and Bridge maintains 717 miles of roads in the county during the summer months and approximately 450 miles of roads in the winter.Airports Bancroft Muni Airport (U51)Bancroft Simpson Airport (ID62)Grace Allen H Tigert Airport (U78)Soda SpringsPublic TransportationThe Pocatello Regional Transit (PRT) oers public transportation on an as-needed basis by calling and scheduling a bus. The PRT oers residents transportation locally as well as throughout Caribou County, Bear Lake County, and Bannock County.CARIBOU County 307'