The Main Line is a rail line owned and operated by the Long Island Rail Road in the U.S. state of New York. It begins as a two-track line at Long Island City station in Long Island City, Queens, and runs along the middle of Long Island about 95 miles (153 km) to Greenport station in Greenport, Suffolk County. At Harold Interlocking approximately one mile east of Long Island City, the tracks from the East River Tunnels and 63rd Street Tunnel into Manhattan intersect with the Main Line, which most trains use rather than using the Long Island City station.
The Main Line near Jamaica, which is visible in the foreground.
Power station at NASSAU Interlocking in Mineola
Groundbreaking for Phase 1
The completed second track, as viewed from the reconstructed Wyandanch station
63rd Street Tunnel
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The 63rd Street Tunnel is a double-deck subway and railroad tunnel under the East River between the boroughs of Manhattan and Queens in New York City. Opened in 1989, it is the newest of the East River tunnels, as well as the newest rail river crossing in the New York metropolitan area. The upper level of the 63rd Street Tunnel carries the IND 63rd Street Line of the New York City Subway. The lower level carries Long Island Rail Road (LIRR) trains to Grand Central as part of the East Side Access project.
The Roosevelt Island station
A tunnel cavern deep under Park Avenue, which now houses a switch to the north of the Grand Central LIRR station. During construction, the temporary narrow gauge tracks ran through the 63rd Street Tunnel's lower level to a staging area in Queens.
Lower level tracks
Tunnel vents in Central Park