Circuit board style tube maps

Fancy a tube map with a difference? How about one made from a circuit board – with lights that show live train movements?
I can hear the geeky squeals of delight already. A clever fusion of modern computer API data to provide the tube movements and traditional circuit board design come together in the TrainTrackr.
They showed off their first product, a full tube map a couple of years ago, but have recently expanded the range to individual lines.
(c) Traintrackr
Currently, they have the Cen