Another one-story wing was added by the Chesapeake and Ohio Railway to the north end of the depot in 1918 to handle an influx of military personnel to Fort Eustis.

To help supplement the cargo bay, which was overflowing due to supplies being shipped in and out for the war effort, a storage shed (now demolished) was built in 1943.

Among the festivities at the depot were the unveiling of a large oil painting created by Sidney King of the first trip from Lee Hall to Yorktown, Chesapeake and Ohio 614 and an Amtrak locomotive both giving brief train rides, ending at the station, and two "Silver Spike" reenactments by CSX and Virginia officials.

[12] Lee Hall was dropped from the Colonial, now renamed to New England Express, in April 1995,[13] after which, the building was used as a railcar maintenance facility.

[3] The process involved carefully splitting the building into two sections, one being the waiting room wing, and the other the cargo bay and mid-section, and then joining them together on a new foundation.

[18] In September 2015, the Lee Hall Train Station Foundation received a $600,000 federal grant to pay for the building's interior refurbishment.

[20] In June 2018,[21] the Lee Hall Train Station Foundation was donated CSXT 900066, originally C&O 904144, a type-C27A bay-window caboose by the CSX for display.

[22] The caboose, which was built for the C&O by Fruit Growers Express at their Alexandria repair shop in 1980, had been in use as a shoving platform, a type of railroad car used when trains have to reverse for a long period of time, as a place at the "front" for the switcher crew to stand,[23] but was decommissioned after it was discovered to have a brake defect,[24] and slated to be scrapped.

After being contacted by the Lee Hall Train Station Foundation, and initially turning them down, CSX decided to donate the caboose to the museum.

It was then donated to the City of Newport News, due to the fact that the foundation could not afford the $5 million liability insurance required to have the caboose moved by rail.

[25] The caboose was delivered to the depot by the Fort Eustis Military Railroad, and placed on a 250-foot (76 m) piece of display track,[3] originally a siding for the station, by crane on May 19, 2022.

The collection was donated to the museum by former Lee Hall Train Station Foundation president, Milton "Ed" Lyon.

It uses a locomotive control stand taken from an actual engine, with the switches and levers connected to a computer system attached to the back of the simulator.