Cloquet Terminal Railroad (reporting mark CTRR) is a small Class 3 terminal railroad operating 6 miles (9.7 km) of track in Cloquet, Minnesota. The railroad interchanges with the Burlington Northern Santa Fe and Canadian Pacific railroads in Cloquet and services the Sappi Paper Mill, a USG Ceiling Tile plant and a SMI Plant on the mill site. The railroad's shop and offices are located on Dunlap Island in the St. Louis River. The railroad owns 160 freight cars. In 2004 the railroad handled 6,000 railroad cars.