The newest in a series of strikes on the Tube is due to begin on Tuesday evening but transport chiefs have promised to keep London moving.
Extra bus and river services are being put on, while some roadworks are being delayed for the period of the 24 hour industrial action.
Canary Wharf Group said it will have additional bike spaces in Cabot Square and extra staff advising people of the best routes to take.
However, for cars, it has said those without parking permits should, as a precaution, not drive to work as the car parks in Canary Wharf will give priority to those with permits.
Thames Clippers is putting on additional boats for the strike.
Mayor Boris Johnson said: "The action of the union leaderships may cause some inconvenience but we are determined to continue the capital moving by providing a plethora of alternatives so that people can get around."
The TSSA union, meanwhile, accused the Mayor of playing a 'poor man's Churchill' and going against his election pledge of keeping Tube ticket offices open.
Unions say 650 ticket office jobs, as well as 150 station managers, are under threat over the plans