Located in Mt. Pleasant, Tenn., Tennessee Southern Railroad (TSRR) operates a total of 149 miles, including 118 main line miles of rail line running from Columbia to Pulaski and from Columbia to Florence. It provides intermodal services between the railroad, river barges and trucks at its port facilities. In addition, the railroad company has the ability to transload products between rail cars and trucks at its cross-dock facility. Tennessee Southern Railroad s facilities include a 24,000-square foot inside storage warehouse. It is a subsidiary of Patriot Rail Corp., which is a railroad holding company that acquires and operates short line and regional freight railroads.