Currently City Hall’s head of culture, Justine Simons has worked in senior positions in don’s cultural sector for over 20 years, including delivering major cultural initiatives such as the 2012 Olympic Festival and the Fourth Plinth Commission.

Conservatives on the London Assembly say local campaigners and businesses should be offered the chance to co-fund transport projects which would otherwise be deemed financially unfeasible.

London’s transport agency says 2,092 people were killed or seriously injured in 2015, down from 2,167 the year before and a 42 per cent reduction on the 2005-09 baseline against which road safety is measured.

Last year an independent commission backed the building of a third runway subject to “legally binding” limits on noise levels.

Pipe has been Hackney’s directly elected mayor since 2002 and has led London Councils, the all-party body which represents local boroughs and runs the capital’s Freedom Pass, since 2010.