The main occupant of the shelter was the Railway Executive Committee, but it was also used as a shelter by prime minister Winston Churchill and his war cabinet until the Cabinet War Rooms were ready for use.
The main occupant of the shelter was the Railway Executive Committee, tasked with keeping trains running after bomb damage to railway infrastructure by routing trains around damaged sections. It was also used as a shelter by prime minister Winston Churchill and his war cabinet until the Cabinet War Rooms were ready for use.