The Lehigh Valley Railroad was one of a number of railroads built in the northeastern United States primarily to haul anthracite coal.
It was incorporated 1846-04-21 in the U.S. state of Pennsylvania as the Delaware, Lehigh, Schuylkill and Susquehanna Railroad Company. On 1853-01-07, the name was changed to Lehigh Valley Railroad. It was sometimes known as the Route of the Black Diamond, named after the anthracite it transported. At the time, anthracite was transported by boat down the Lehigh River. The railroad was meant to be a faster means of transportation.
The Construction of the original line wasfrom Easton, Pennsylvania to Mauch Chunk, a distance of 45.50 miles.
The GR is for Mauch Chunk