London Buses route 320 is a Transport for London contracted bus route in London, England. Running between Biggin Hill and Catford Bridge, it is operated by London General.
Route 320 commenced operation on 1 September 1990 between Westerham and Bromley North Station via Biggin Hill and Keston. It was operated by London & Country from their Dunton Green garage using Northern Counties bodied Volvo Citybuses.
On 19 September 1998, it passed to Metrobus operating from their Orpington garage (MB) with brand new Volvo Olympians introduced. On the same date, the route was withdrawn between Westerham and Biggin Hill. It was retained by Metrobus on 29 September 2003 with brand new low floor Scania OmniDekkas introduced.
On 28 August 2010, the route was retained by Metrobus with existing Scania OmniDekka and brand new Scania OmniCitys, the route was extended from Bromley to Catford Bridge Station at the same time.
In 2013, the Scania OmniDekkas were replaced by Wright Eclipse Gemini bodied Volvo B7TLs.
In July 2014, the Go-Ahead Group restructured its bus operations, which included the transfer of Route 320 from Metrobus to Go-Ahead London.
In June 2017, the Scania OmniCitys were replaced by Alexander Dennis Enviro 400Hs and Alexander Dennis Enviro 400s.
On 26 August 2017, the route was retained by London General.
Route 320 operates via these primary locations:
- Biggin Hill Rosehill Road
- Biggin Hill
- Biggin Hill Airport
- Leaves Green
- Bromley Common
- Bromley South station
- Bromley Market Square
- Bromley Road Downham Way
- Catford Bridge Station