The Oyster touch-in and touch-out card readers, which are used across the underground Tube, buses and trams of London, failed to activate — forcing station staff to keep the ticket barriers open for everyone.”The Oyster is a plastic smartcard which can be used for pay-as-you-travel fares as well as for pre-paid passes.The card can be used China Aluminum Eyeliner Tubes for sale to travel on bus, Tube, tram, Docklands Light Railway, London Overground, TfL Rail and most National Rail services in London.It is expected to have caused Transport for London (TfL) thousands of pounds in losses.. Public transport in London is normally only free for a brief period overnight on New Year’s Eve, when fares are waived to allow party-goers to get home.Thousands of commuters in the British capital on Saturday enjoyed unexpected free travel on the city’s transport network, including buses, trains and the underground Tube, after a technical glitch res Thousands of commuters in the British capital on Saturday enjoyed unexpected free travel on the city’s transport network, including buses, trains and the underground Tube, after a technical glitch resulted in a collapse of its ticketing system. In the meantime, customers can continue to travel across the Tube, bus and rail networks.“We’re working on a fix and customers are being allowed to travel across Tube/Bus/Rail networks. We apologise for this disruption.“We’re experiencing technical issues with our Oyster Card readers this morning where customers are unable to touch in or out,” the firm tweeted.TfL has confirmed that the problem has now been resolved.