London Buses route 109 is a Transport for London contracted bus route in London, England. Running between Croydon and Brixton, it is operated by Abellio London.
Route 109 commenced operating on 8 April 1951 as a circular Purley - West Croydon station - Streatham - Elephant & Castle - Victoria Embankment - Westminster - Kennington - Norbury - Croydon - Purley route operating in both directions. It replaced tram routes 16 and 18, operating from Brixton (BN) and Thornton Heath (TH) garages with AEC Regent III RTs.
At the end of October 1970, a Sunday one person operation was introduced with AEC Swifts. On 19 July 1975, Daimler Fleetlines were introduced on Saturdays. On 23 May 1976, the Monday to Friday allocation was converted to AEC Routemaster operation. By early March 1978 the Monday to Friday operation was taken over by Daimler Fleetlines. By 28 October 1978 an all day Sunday service was introduced, replacing parts of route 59.
On 15 August 1981 AEC Routematers returned to the route. On 2 February 1985 the route was revised to operate from South Croydon (TC) garage to either Victoria Embankment or Blackfriars on weekdays and Elephant & Castle on Saturdays. It was withdrawn between Purley and South Croydon. The Sunday service was withdrawn and replaced by route 59. On 1 February 1986, route 109 was withdrawn between South Croydon garage and Croydon.
On 7 February 1987, route 109 ceased to operate bia the Victoria Embankment loop, with all journeys operating via Westminster to Trafalgar Square. The operation on the 109 was converted to one man operation.
On 14 March 1992 the route was again extended to Purley, this was withdrawn again on 29 August 1998 being replaced by route 60. On 18 September 1999 it was withdrawn between Brixton and Trafalgar Square being replaced by route 159. On 3 February 2001, it was converted to low floor operation with Alexander ALX400 bodied DAF DB250LFs.
On 1 February 2003, Arriva London retained the route. Arriva London retained the route again on 30 January 2010.
In December 2014, Alexander ALX400 bodied DAF DB250LFs were replaced by Wright Pulsar Gemini bodied DAF DB250LFs and Wright Gemini 2 bodied VDL DB300s.
- Croydon Katharine Street
- Wellesley Road Tramlink
- West Croydon
- Thornton Heath
- Streatham Hill