County Yard

[3][4][5][6] County Yard was originally part of the Pennsylvania Railroad (PRR) and is located where the Millstone Branch joined its mainline, now the NEC.

[9][10] The Jersey Avenue Park & Ride station opened October 24, 1963, at the beginning, or eastern end, of the spur line.

[13] Five miles of electrified track at Delco Lead will be used to store rail vehicles during extreme weather events.

[21][22] with several projects planned for the "New Jersey Speedway" section of the NEC, which include a new station at North Brunswick and a flying junction and balloon loop called the Mid-Line Loop between MP 36 and MP 37 on the NEC south of the new station and Amtrak's Adams Yard, allowing trains to turn around and enter and leave service without crossing over tracks,[23] and function as a staging area for a mid-line, middle zone, terminus.

In January 2018, Amtrak moved three derelict RTL-III Turboliner gas turbine trains formerly used on the Empire Corridor from storage in Bear, Delaware.

As of November 2024, the sets located at Adams Yard are still in storage with several old baggage cars and a coach from the Heritage Fleet between them.