London Buses route 450 is a Transport for London contracted bus route in London, England. Running between West Croydon and Lower Sydenham, it is operated by Arriva London.
Route 450 commenced operating on 9 October 1993 between Purley Old Lodge Lane and Crystal Palace Parade via Purley Cross - Pampisford Road,Haling Park Road - Warham Road - South End - Park Lane - Wellesley Road - West Croydon - Whitehorse Road - Windmill Road - Queen's Road - Bensham Lane - Brigstock Road - Parchmore Road - Beaulah Road - Beaulah Crescent - Osborne Road - Northwood Road - Spa Hill - Harold Road - Chevening Road - Hermitage Road - Central Hill - Westow Hill as a Monday to Saturday service. The route was initially operated by South London Buses from Thornton Heath (TH) garage using MCW Metroriders. The route was introduced to replace the withdrawn section of route 412 between Old Lodge Lane and Purley centre.
On 26 September 1996, the route was withdrawn between Purley and West Croydon but extended from Crystal Palace to Lower Sydenham and the MCW Metroriders were replaced by Plaxton Pointer bodied Dennis Darts.
On 29 September 2001, the route was retained by Arriva London using 8.8m Plaxton Pointer 2 bodied Dennis Dart SLFs and a Sunday service was introduced.
On 30 September 2006, the route was retained by Arriva London using 9.3m Plaxton Pointer 2 bodied Dennis Dart SLFs.
On 10 March 2007, the allocation was transferred from Thornton Heath (TH) to Beddington (CN) garages.
On 1 October 2011, the route was retained by Arriva London and the allocation was transferred to Thornton Heath (TH) garage.
On 27 August 2016, the allocation was transferred to Norwood (N) garage and the Plaxton Pointer 2 bodied Dennis Dart SLFs were replaced by Wright Cadet bodied DAF SB120s.
On 23 September 2016, the Wright Cadet bodied DAF SB120s were replaced by brand new Wright StreetLites.
On 1 October 2016, the route was retained by Arriva London and increased frequencies.
Route 450 operates via these primary locations:
- West Croydon Wellesley Road, Newgate (for West Croydon Tramlink and West Croydon Station)
- Thornton Heath Station
- Upper Norwood
- Crystal Palace Parade
- Sydenham Station
- Lower Sydenham Sainsbury's