London Buses route 312

London Buses route 312 is a Transport for London contracted bus route in London, England. Running between Purley and Norwood Junction station, it is operated by Arriva London.

History
Route 312 became the first route in London to be operated exclusively by electric buses, when Arriva London commenced a further contract on 5 September 2015 with Optare MetroCity EVs.

On 2 March 2024, the route was extended from South Croydon to Purley via Brighton Road, partially replacing route 455 which was withdrawn on the same day.

Current route
Route 312 operates via these primary locations:
 * Purley Old Lodge Lane
 * Reedham station
 * Purley Tesco
 * South Croydon bus garage
 * Croydon High Street
 * East Croydon station
 * Addiscombe tram stop
 * Woodside tram stop
 * Norwood Junction station