We’re always on the look out for anything fun or unusual on the Tube network, so we liked it yesterday when we saw this engineering train heading westbound through Turnham Green station on the District line tracks.
We knew it was coming before we saw it, because the Dot Matrix next train indicator flashed it up as a service to Ruislip, something that no District line train does so it immediately made me think we were about to some something unusual! And we did …