I'll be travelling through a few cities next week and I'd buy a ticket via NS mobile app. I read that I don't have to check in-out with the mobile ticket, but I might need to use it to pass the access gates. The gates would need to have a glass plate so I can scan the ticket.
My route is Alkmaar - Amsterdam - Rotterdam - Dordrecht, so I was wondering if anyone knows whether both Dordrecht and Alkmaar have a gate that can scan QR codes?
If they don't, is there any way for me to pass the gates anyway or should I just buy the OV chipkaart?
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