The Far Rockaway Branch is an electrified rail line and service owned and operated by the Long Island Rail Road in the U.S. state of New York. The branch begins at Valley Interlocking, just east of Valley Stream station. From Valley Stream, the line heads south and southwest through southwestern Nassau County, ending at Far Rockaway in Queens, thus reentering New York City. LIRR maps and schedules indicate that the Far Rockaway Branch service continues west along the Atlantic Branch to Jamaica. This two-track branch provides all day service in both directions to Grand Central Madison and Penn Station, both in Midtown Manhattan.

The Long Island Rail Road, often abbreviated as the LIRR, is a railroad in the southeastern part of the U.S. state of New York, stretching from Manhattan to the eastern tip of Suffolk County on Long Island. The railroad currently operates a public commuter rail service, with its freight operations contracted to the New York and Atlantic Railway. With an average weekday ridership of 354,800 passengers in 2016, it is the busiest commuter railroad in North America. It is also one of the world's few commuter systems that runs 24/7 year-round. It is publicly owned by the Metropolitan Transportation Authority, which refers to it as MTA Long Island Rail Road. In 2023, the system had a ridership of 75,186,900, or about 253,800 per weekday as of the fourth quarter of 2023.