MCW Metrobus in
Dulwich in July 2000 was seen at
Norwood Junction station in 2014. 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route 455 which was withdrawn on the same day.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==