Operated by London Councils, the scheme funds subsidised taxi journeys for disabled and mobility impaired Londoners, allowing them to make journeys many would otherwise struggle to carry out on public transport.
Many redevelopments of existing estates have proven controversial with both residents and housing campaigners concerned at potential reductions in the level of social housing available.
On Tuesday the Mayor announced that design work on routes between Lea Bridge to Dalston, Ilford to Barking Riverside, Hackney to the Isle of Dogs, Rotherhithe to Peckham, Tottenham Hale to Camden and Wembley to Willesden Junction had been given the go-ahead.
The scheme will be run by social impact investment company Resonance Limited and homelessness charity St Mungo’s and run for nine years, at the end of which the properties will be sold on.
First launched in September 2016, and one of Mr Khan’s key manifesto commitments, the Hopper initially allowed passengers to switch bus or tram once within an hour of starting their journey.