Articulated buses in London conductor. In August 2012, following the election of Boris Johnson as Mayor of London, it was announced the bendy buses would be withdrawn as their five-year operating contracts expired, starting from May 2009, and completed by 2013 (or 2015 depending on contract extensions). This was brought forward to December 2011. Research by London TravelWatch indicated that such a withdrawal could prove costly to TfL. A study conducted in September 2008 found that replacing articulated vehicles on routes 38, 507, and 521, whilst maintaining overall route capacity, would cost an additional £12.6m per annum, due to the additional vehicles necessitated. Additional
Lord Mayor of London been mandatory for election to the Lord Mayoralty. Two Sheriffs are selected annually by Common Hall, which meets on Midsummer's Day for this purpose. By an ordinance of 1435, the Lord Mayor must be chosen from amongst the Aldermen of the City of London. Those on the electoral roll of each of the City's 25 Wards select one Alderman, who formerly held office for life or until resignation. Now each Alderman must submit for re-election at least once in every six years. The Lord Mayor is then sworn in November, on the day before the Lord Mayor's Show ("see below").