At a glance: How strikes will impact weekend travel

London Underground drivers are to begin strike action on Friday.

• Which lines are affected?

Central, Jubilee, Northern, Piccadilly and Victoria lines

• When does the strike start and end?

A full-day strike is planned for Friday 26 November between 04:30 and 04:29 the following day. A second strike is also planned on Saturday 18 December.

• How much disruption will there be?

Severe disruption on the affected lines with little or no service in some places.

• What about the other lines?

There will be no service on the Waterloo & City Line while the Bakerloo, Circle, District, Metropolitan and Hammersmith & City lines will be operating normally but busier than usual. DLR will close an hour early at 23:30 on Friday 26 November. London Overground, TfL Rail and National Rail services.