The promise is better roads, tubes and cycling routes. The price is ten years of fare increases.
Transport for London confirmed today it wants to raise fares, above inflation, for a decade, and for the first time, in writing, set out plans for trains that don't need drivers.
Transport Commissioner Peter Hendy insists that doesn't mean the trains will be un-manned, but the move is likely to spark protests from unions opposed to driver-less trains.
The decision to double spending on London's road network is also proving controversial. Isabel Dedring, the Deputy Mayor for Transport, says that they have to invest in the roads to encourage more people to use buses and bicycles.
But Labour's Val Shawcross, who sits on the London Assembly says that "public transport passengers are being robbed in order to pay for roadworks for the next decade".
London Tonight spoke to the General Secretary of the RMT union, Bob Crow and the Commissioner for Transport for London, Peter Hendy.
Transport investment 'essential' as population grows
London's Transport Commissioner, Peter Hendy CBE said:
"With London's population forecast to grow by one million people in the next 20 years, it is essential that we continue to invest in making our network more reliable and that we enable the London and UK economy to grow and prosper in the years ahead."
Boris: investment in transport will stimulate economy
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."