Transport for London (TfL) is a local government body responsible for the transport system in Greater London, England. Its head office is in Windsor House in the City of Westminster.
TfL has responsibility for London's network of principal road routes, for various rail networks including the London Underground, London Overground, Docklands Light Railway and TfL Rail, for London's trams, buses, and taxis, for cycling provision, and for river services.
They are the integrated transport authority responsible for delivering Mayor of London Sadiq Khan's strategy and commitments on transport. They run the day-to-day operation of the Capital's public transport network and manage London's main roads.
