Teleport

Try this Fallout Stutter Remover Read This (scroll down to performance tips) And, if not already doing so, also try This

DCInteriors Seems to be the most up to date version, including wasteland locations and collectables.

Thanks Bunsaki. I thought it was too good an idea for someone not to have already done it. Downloading now.

Pretty much as the title explains. the player would obviously enter through a door and then gain access to either just the train interior (x number of carriages or use the train to gain access to a previously inaccessable area (due to cave in) of the metro and possibly on to a new area of DC.