"Nobody will know when it's going to be open"
Caroline Pidgeon, Leader of the Liberal Democrats on the London Assembly says spreading the closures over such a long period of time is more disruptive to passengers.
What do you think? Join us on Facebook and let us know how you'd prefer Transport for London plan closures like these. Does spreading the maintenance over 18 months work for you? Or would you prefer all the closures to happen at once?
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Mainly dry with sunny spells. Cloudier in the south.
Archbishop at special service for Nelson Mandela
The Archbishop of Canterbury has spoken at a special service at St Martin-in-the-Fields in Trafalgar Square, remembering Nelson Mandela.
Heathrow passengers queue as delays continue
Thousands of passengers at airports, including Heathrow, Stansted, Gatwick and London City, are facing major disruption.