This video...
... has a few shots at the end of TfL's in-house training layout, which AFAIK uses modified G scale track to represent the underground's 4 rail system (can't tell you the brand) and USA trains power trucks under the single car "trains".
J.
... has a few shots at the end of TfL's in-house training layout, which AFAIK uses modified G scale track to represent the underground's 4 rail system (can't tell you the brand) and USA trains power trucks under the single car "trains".
J.