I note that the times for future stations are in UTC and not BST. Also, when you zoom in to only a couple of stations, the trains seem to vanish occasionally -- maybe when part of the train reaches the edge of the display. I also find it jarring that the trains appear above the buildings rather than get hidden by the buildings. I'd like to see the trains running along the surface... All of these suggestions are much easier to make than to implement!

Good job on this and pretty cool.