The Lackawanna Railroad was a railroad company that operated in the northeastern United States from 1849 to 1960. It was originally known as the Erie Railroad, and its name was changed to the Lackawanna Railroad in 1853. The company operated in Pennsylvania, New York, New Jersey, and Delaware, and it was one of the most important railroads in the region. The Lackawanna Railroad was responsible for connecting many cities and towns in the northeast, and it played an important role in the development of the region.