Buses in London runs through the Strand Underpass), in May 2009. The last were withdrawn on 9 December 2011. In May 2010 Mayor of London Boris Johnson unveiled the design of the New Routemaster, the proposed replacement for the Routemaster as an iconic standard bus for exclusive use in London. The buses, designed by Heatherwick Studio and built by Wrightbus feature two staircases, three doors and an open platform allowing passengers to hop on and off, and commenced operating in 2012. In December 2011 the British car magazine "Autocar" road-tested the New Routemaster. It said it had "brilliant economy and an interior to
Deputy Mayor of London of Policy and Planning and Chief of Staff to Johnson until his death in office in 2011. In May 2011, Sir Edward Lister was then appointed as his successor. Richard Barnes ceased to be Deputy Mayor on 4 May 2012, when he lost his seat in the Assembly. Victoria Borwick succeeded him in the post. Borwick resigned in May 2015, following her election as Member of Parliament for Kensington, being succeeded by Roger Evans. The 2016 London mayoral election was won by Sadiq Khan, a member of the Labour Party. Following the election, he appointed Joanne McCartney Statutory Deputy Mayor,