Route 42 Southern Ianistan Expressway
Maintained by Ianistan Department of Transportation
Length 29.9 miles
Existed 1955-present
West End: Route 1 in Fairmont City
Major Junctions:
East End: Route 2 in East Scrantonville

Route 42, the Southern Ianistan Expressway, is an east-west expressway connecting Fairmont City and Scrantonville via Tullersville State Park.