The economic slowdown could threaten a programme to improve train speeds and frequencies across much of the London Underground, says the organisation’s outgoing managing director.

Tim O’Toole said Londoners should 'scream bloody murder' if plans for a new signalling system on the older, sub-surface lines were scaled back or postponed.

The availability of funding for resignalling of the Metropolitan, District, Circle and Hammersmith & City lines would be a barometer of politicians’ general willingness to fund the system’s upgrade, he said.

Financial Times