West 300 South in Cassia County, Idaho

West 300 South in Cassia County is a residential street. It runs in an east-west direction and crosses South 500 West, 400 West, South 300 West, South 200 West, South 100 West, South 50 West and State Highway 27 and ends at East 300 South, while the other end is a cul-de-sac. This street is part of the highways 30 and California National Historic Trail Auto Tour Route. West 300 South also exists in Bingham County, Franklin County and Minidoka County.