London Underground says that moving control-room services to Hammersmith will increase capacity on the tube network.
A single control centre is being set up as part of a major modernisation programme. New signalling systems are also being installed on the Metropolitan, District, Hammersmith & City and Circle Lines.
More top news
The London property market is expected to be the hardest hit as buyers sit it out to see how the economy will be affected.
The former London mayor paid tribute to David Cameron just hours after the Prime Minister announced his resignation.
The pound crashed to its lowest level in 30 years as Britain voted to leave the EU.