The Lake Superior and Ishpeming Railroad (reporting mark LSI), is a U.S. railroad offering service from Marquette, Michigan, to nearby locations in Michigan's Upper Peninsula. It began operations in 1896. The LS&I continues to operate as an independent railroad from its headquarters in Marquette. At the end of 1970, LS&I operated 117 miles of road on 241 miles of track (188 on 388 km); that year it reported 43 million ton-miles (63 million tkm) of freight. In 2011, LS&I had been reduced to 25 miles (40 km) of track.