[2][3] After hopes that this would be operated commercially[citation needed], it eventually materialised as tendered short workings on two existing routes, 9H and 15H.

[4][5][6] The route was criticised by the Liberal Democrats for missing out important tourist attractions such as Buckingham Palace, Big Ben and the British Museum.

On 13 November 2010, route 9H was extended westward from the Royal Albert Hall to Kensington High Street and curtailed at its eastern end to Trafalgar Square.

[9] On 22 June 2013, route 9H was included in the sale of First London's Westbourne Park garage to Tower Transit.

[13][14][15] Peter Bradley, head of the route 9H consultation, said: "We are considering the removal of this service because it costs more than £1m a year to operate, owing in large part to the upkeep of the 60-year-old buses, and a low level of use by passengers.