Definition: Conrail is a long-distance public transportation system in the United States, which operates primarily on rail lines. It was established by the Union Pacific Railroad and the Southern Railway to provide faster service for passengers traveling between cities in the western United States. The system includes trains that run from the west coast of the United States to the east coast, with stops along the way. Conrail is a critical component of America's transportation infrastructure and has been an important part of American history.