Four Track Main Line.
Long Island Rail Road (LIRR) M9 no. 9113 (Kawasaki, 2019-present) is the lead unit on westbound Hempstead Branch Train 761 to Grand Central, seen racing towards the Grand Ave overpass in Elmhurst, Queens.
The nation's busiest passenger railroad depends every day on a fleet of nearly 1,000 multiple unit cars to bring hundreds of thousands of commuters to and from their jobs.