Most London Underground services remain suspended as a walkout by staff enters its fourth day.
Members of the Rail, Maritime and Transport union (RMT) are carrying out a “rolling strike” in a dispute over pay and its unmet demand for a 32-hour working week.
On Tuesday, some Northern line services operated but the rest of the Tube network was closed. The Docklands Light Railway (DLR) was suspended as part of a separate dispute.
Transport for London (TfL), which offered staff a 3.4% pay rise, said the demands for a shorter working week are unaffordable.
Depot managers and signallers from the RMT are among those withdrawing their labour.
Londoners have used a combination of boats, bikes and buses to get around the capital, with a large spike in bike rental schemes.
The prime minister and the mayor of London are among those calling for both sides to negotiate after talks broke down last Wednesday morning.
On Tuesday, the RMT’s general secretary Eddie Dempsey criticised Sadiq Khan, blaming him for a “total and utter collapse of industrial relations in London”.
