What is this?
This map shows all trains (yellow dots) on the London Underground network in approximately real time (old screenshot). Skyfall version
I have a (per-station) National Rail version, and an awesome bookmarkable train times journey planner. Donate
— Matthew
How does it work?
Live departure data is fetched from the TfL API, and then it does a bit of maths and magic. Some H&C and Circle stations are missing in the TfL feed.
Who did this?
Matthew Somerville (with helpful hinderances from Frances Berriman and James Aylett). Station icon by Tim Diggins.