An extension of the Docklands Light-weight Railway is also at threat, the report concluded.
Crossrail 2, a proposed £40bn north-south line, and an extension of the Bakerloo tube line have presently been set on keep.
Mr Khan had sought a £15.8bn extensive-term funding deal to restore TfL’s finances and enable it to continue with a series of badly wanted updates.
The authority, which is roughly two times as dependent on fare earnings as similar-sized towns overseas, was strike really hard by the pandemic. It has presently gained practically £4bn of taxpayer handouts.
But the Governing administration as an alternative offered £1.08bn to retain the Tube, trains and buses jogging until December. In return, Mr Khan agreed to review the feasibility of driverless Tube trains, boost fares and lower fees.
A spokesman for Transportation for London claimed: “We continue to function with the Governing administration on our more time term funding