Strikes by members of the RMT union will affect thousands of passengers on the London Underground and Southern rail on Wednesday.
Transport for London said the Central line will close from 11.30 on Tuesday but the main effect would be on Wednesday:
A normal service will resume on Thursday.
RMT members on Southern rail will strike for 24 hours on Wednesday in the long running dispute over changes to the role of guards under driver only operation (DOO) of trains.
Southern said that during the last RMT strike, on 23 January, it ran around three-quarters of its normal service and that it ’expects to run at least that number again’. Further details are on the Southern website.
It has been reported that leaders of drivers' union ASLEF are to meet Southern bosses for new talks after union members rejected a proposed deal between the two sides in the DOO dispute.