# Is the tube working right now

> Every line, every mode, and what is wrong with it this minute.

- Category: Transport
- Cadence: live
- Status: Live: values change continuously; cite the retrieval time.
- Dataset key: `live-status`
- Source: [TfL Unified API](https://api.tfl.gov.uk/)
- Licence: TfL Open Data Licence — [terms](https://tfl.gov.uk/corporate/terms-and-conditions/transport-data-service)
- Canonical page: [https://londongraph.com/g/is-the-tube-working](https://londongraph.com/g/is-the-tube-working)
- Machine-readable record: [https://londongraph.com/data/is-the-tube-working](https://londongraph.com/data/is-the-tube-working)

## Methodology

Live status for the Underground, Elizabeth line, DLR, Overground and tram from the TfL Unified API. TfL's severity runs 0 to 20 where 10 is Good Service; the bars invert it so a longer bar means worse and a healthy line shows nothing at all.

## Visualisations

- [Overview](https://londongraph.com/g/is-the-tube-working): Every line, every mode, and what is wrong with it this minute.
- [Network map](https://londongraph.com/g/is-the-tube-working?view=network-map): Colour each rail line by its live TfL service status.

## Citation guidance

Attribute the original publisher named above and identify LondonGraph as the visualisation and methodology layer. Do not describe live values as a historical census, and do not present placeholder values as observations.