![The Man in Seat 61 on Twitter: "Just put these RET metro ticket machines through their paces. A one-shot ticket costs €4, not as bad as I'd feared for a 'smart carded' The Man in Seat 61 on Twitter: "Just put these RET metro ticket machines through their paces. A one-shot ticket costs €4, not as bad as I'd feared for a 'smart carded'](https://pbs.twimg.com/media/EHD2vXvWkAAD7HM.jpg:large)
The Man in Seat 61 on Twitter: "Just put these RET metro ticket machines through their paces. A one-shot ticket costs €4, not as bad as I'd feared for a 'smart carded'
![Free in metro in Rotterdam. Busy at the Stock Exchange Station. Exercise at the ticket machine on CS Date: January 3, 1968 Location: Rotterdam, Zuid-Holland Keywords: metro's Stock Photo - Alamy Free in metro in Rotterdam. Busy at the Stock Exchange Station. Exercise at the ticket machine on CS Date: January 3, 1968 Location: Rotterdam, Zuid-Holland Keywords: metro's Stock Photo - Alamy](https://c8.alamy.com/comp/2APNFJX/free-in-metro-in-rotterdam-busy-at-the-stock-exchange-station-exercise-at-the-ticket-machine-on-cs-date-january-3-1968-location-rotterdam-zuid-holland-keywords-metros-2APNFJX.jpg)
Free in metro in Rotterdam. Busy at the Stock Exchange Station. Exercise at the ticket machine on CS Date: January 3, 1968 Location: Rotterdam, Zuid-Holland Keywords: metro's Stock Photo - Alamy
![Empty new Dutch entrance with ticket gates of a metro station in Rotterdam, The Netherlands Stock Photo - Alamy Empty new Dutch entrance with ticket gates of a metro station in Rotterdam, The Netherlands Stock Photo - Alamy](https://c8.alamy.com/comp/2DEE4GK/empty-new-dutch-entrance-with-ticket-gates-of-a-metro-station-in-rotterdam-the-netherlands-2DEE4GK.jpg)