The government has agreed a further tranche of support for Crossrail, after there had been warnings that the project would have to be mothballed because Transport for London has a continuing cash problem and cannot pay for further work itself. Mayor of London Sadiq Khan said: âSecuring this financing package enables us to press full steam ahead. The Government have insisted London must pay the shortfall despite the overwhelming majority of the tax income that will result from Crossrail going to the Treasury.â