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 Metrobus.
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 (DG) garage using Northern Counties bodied Volvo Citybuses.
On 8 November 1997, the Monday to Saturday route passed to Stagecoach Selkent operating from their Bromley (TB) garage using Leyland Titans but Sunday service remained operated by Kentish Bus.
On 15 February 1998, the Sunday allocation was transferred to Tunbridge Wells (TW) garage.
On 19 September 1998, the route passed to Metrobus operating from their Orpington (MB) garage with brand new Volvo Olympians introduced. On the same date, the route was withdrawn between Westerham and Biggin Hill.
On 30 August 2003 by Metrobus with brand new low floor Scania OmniDekkas introduced.
On 28 August 2010, the route was retained by Metrobus with brand new Scania OmniCitys introduced alongside the using existing Scania OmniDekkas. At the same time, the route was extended from Bromley to Catford Bridge Station.
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 November 2014, the Scania OmniDekkas were replaced by existing Wright Eclipse Gemini bodied Volvo B7TLs.
In June 2017, the Scania OmniCitys were replaced by existing Alexander Dennis Enviro 400Hs and existing Alexander Dennis Enviro 400s.
On 26 August 2017, the route was retained by Metrobus.
Route 320 operates via these primary locations:
- Biggin Hill Kings Road (Biggin Hill Valley)
- Biggin Hill
- Biggin Hill Airport
- Bromley Common
- Masons Hill
- Bromley South Station
- Bromley Market Square (for The Glades Shopping Centre)
- Bromley Road Downham Way
- Leaves Green
- Catford Bridge Station Thomas' Lane