Metronet, which went into administration in July 2007, has transferred to Transport for London (TfL) control.
TfL pledged to focus investment on new trains and signalling systems, as well as station renewals, which could mean new trains for the Metropolitan and Hammersmith & City lines.
TfL’s investment in trains, signalling and stations on the eight Tube lines that were formerly the responsibility of Metronet is forecast to be around £1.4bn – the equivalent of almost £27m each week.
Metronet was also responsible for the Central Line.