Number of journeys on the public transport network by TFL reporting period, by type of transport. Data is broken down by bus, underground, DLR, tram, Overground and cable car. Period lengths are different in periods 1 and 13, and the data is not adjusted to account for that. Docklands Light Railway journeys are based on automatic passenger counts at stations. Overground and Tram journeys are based on automatic on-carriage passenger co...