The 1 train is a subway line in the New York City transit system, operated by the MTA. It runs from Van Cortlandt Park-242nd Street in the Bronx to South Ferry in Manhattan, covering a distance of approximately 22 miles. The line primarily serves the West Side of Manhattan and is known for its frequent service. The 1 train is part of the IRT (Interborough Rapid Transit) system and is designated as a local train, stopping at all stations along its route. It connects various neighborhoods, including Harlem, Times Square, and Battery Park City, making it a vital transportation option for residents and visitors.