The Great Neck station is the westernmost stop on the Port Washington Branch in Nassau County.

[4] The NY&F was acquired by the Flushing and North Side Railroad in 1869, and the name was changed to Great Neck in 1872.

Thirteen years later, wealthy Port Washington residents persuaded the LIRR to bring the terminus to their hometown.

[8][9][10][11] This would allow the LIRR to increase the number of peak-hour trips between Great Neck and Penn Station/Grand Central Madison.

Representatives from the MTA stated that the expanded pocket track would not be used for overnight train storage or maintenance.

[12] Because of delays, the new bridge was installed in April 2016, and the construction of the pocket track was scheduled for completion in December 2018 at a total cost of $45.2 million.