This is a list of Transport for London (TfL) contracted bus routes in London, England, as well as commercial services that enter the Greater London area (except coaches). Bus services in London are operated by Abellio London, Arriva London, HCT Group, Go-Ahead London (Blue Triangle, Docklands Buses, London Central, and London General), Metroline, RATP Group (London Sovereign, London United, and Quality Line) Stagecoach London (East London, Selkent, and Thameside), Sullivan Buses, Tower Transit, and Uno. TfL-sponsored operators run more than 500 services.
Non-TfL-sponsored operators including Arriva Shires & Essex, Arriva Southern Counties, Cardinal Buses, Carousel Buses, Go-Coach, First Berkshire & The Thames Valley, Hallmark Connections, Metrobus, Red Rose Travel, Southdown PSV, Stagecoach South, Trustybus, and Uno operate services between parts of Buckinghamshire, Essex, Hertfordshire, Berkshire, Kent, Surrey, and Sussex on the one hand and London on the other, with one local council-sponsored service each in the boroughs of Bexley, Barking & Dagenham, and Hackney (extending into Islington).
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