Every London Underground train on one live map
🌐 tubespotting.peng.ly
Contents
Real-time London Underground map, showing live tube, Elizabeth line, Overground, DLR, Trams and trains using TfL data.
Just open tubespotting.peng.ly and drag/ pinch around.
- Tap a line on the status board to pick it out and see every train on it
- Tap a station for its next trains, platform by platform, on a countdown board
- Tap a train to see where it's off to and follow it across London
- Search (or just press
/) finds any station or line - The locate button opens your nearest station. Your location never leaves your device
- Additional lines like the Elizabeth line and Overground can be added to the map from the line list
- The map button switches between the real geography and a tube map laid out like TfL's own
- Settings has dark mode, the map layout and zoom, which lines show, how often it updates, plus accessibility and privacy options
- You can append a station or line to the URL to share a link, e.g.
?line=victoriaor?station=940GZZLUOXC
There's a multi-arch image on DockerHub (notaflightrisk/tubespotting) and GHCR (ghcr.io/notaflightrisk/tubespotting):
docker run -p 3000:3000 notaflightrisk/tubespottingSet CLOUDFLARE_API_TOKEN and CLOUDFLARE_ACCOUNT_ID, then:
ADAPTER=cloudflare npm run build && npx wrangler deployEach release has a site.zip with the built Node server in it. Unzip it and run node build (Node 22 or newer).
Follow the Development steps, then npm run build and npm start.
No config is needed, but adding a TFL_API_KEY is reccomended to raise the rate-limits.
Optional environmental variables
| Variable | What it does |
|---|---|
TFL_APP_KEY |
A free TfL API key, which raises the rate limit. Without one TfL's asked anonymously |
PORT |
Port for the Node server and Docker image, 3000 by default |
PUBLIC_PLAUSIBLE_SCRIPT |
Build time. A Plausible script URL to count visits, off when empty |
PUBLIC_SENTRY_DSN |
Build time. A Sentry or Bugsink DSN for error reports, off when empty |
You'll need Node 22 or newer, plus Git.
git clone git@github.com:NotAFlightRisk/tubespotting.git
cd tubespotting
npm install
npm run devThe dev server is then on localhost:5173.
The other scripts you'll want are npm run check (types), npm test (tests) and npm run format.
Alternatively, build the container with docker build -t tubespotting .
Powered by TfL Open Data. Contains OS data © Crown copyright and database rights 2016 and Geomni UK Map data © and database rights [2019]. Track shapes and the Thames are © OpenStreetMap contributors. Not affiliated with TfL.
Licensed under MIT, © NotAFlightRisk 2026
