7 and 9 on 9 and 10.
Long Island Rail Road (LIRR) M7 and M9 trains (Bombardier, 1999-2006 and Kawasaki, 2019-present, respectively) are seen in the new yard area at Sunnyside Yard, on tracks 9 and 10.
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.