Mayor of London Boris Johnson said the 10 year transport plan would boost the capital's economy.
"As sure as night follows day investment in transport drives economic activity and investment in the capital benefits the entire country.
"In this Business Plan we are setting out a comprehensive programme of improvements with the aims of providing both hugely better services for Londoners and also to drive the economic motor of this great city and encourage new development."
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The studios were home to some of ITV's best loved programmes dating back to the 1960s.