Almost half of Waterloo station’s platforms have temporarily closed to allow for an £800million overhaul.
A number of platforms will be closed until August 28 while they are extended to accommodate longer trains with more seats and more space for passengers.
Platforms 1-9 have been closed, while platforms 20-24 (the former Waterloo International Terminal) have been temporarily opened to reduce some of the impact.
Commuters have faced disruption this week as significantly fewer South West Trains services have been running into Waterloo while the work is completed.
The overhaul will continue to cause lengthy queues during peak times at all major stations on the South West Trains network, as well as station closures, and more crowded services.
Passengers have been advised to plan ahead and avoid the busiest stations during peak hours.
For more information, and to find alternative routes, visit tfl.gov.uk/waterloo-works.
To check live travel information, visit TfL status updates page or follow @TfLTravelAlerts on Twitter.