<p>A London Underground 2009 tube stock Victoria line train calls at Highbury and Islington station.
</p><p>Filmed in the early days of these trains - before the yellow-and-black warning signs were fitted to the doors.
</p>
The Oyster reader means that passengers paying their fares using a smart card or contactless device who are interchanging with the mainline railway (which uses an adjacent platform) do not need to visit the ticket hall to 'touch in / out'
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