The Long Island Rail Road (LIRR) is a commuter rail system that serves the eastern part of New York City and Long Island. It is one of the busiest commuter railroads in the United States, providing essential transportation for residents traveling to and from Manhattan and other areas. Founded in 1834, the LIRR operates multiple lines that connect various towns and communities across Long Island. The system features over 700 miles of track and more than 120 stations, making it a vital part of the region's public transit infrastructure.