Originally Posted by
KQ321
Also, these days you can buy virtually all DB tickets online at bahn.de, and print them out yourself in advance - which can save precious minutes spent queuing at a ticket machine when trying to make a tight connection.
Yep, but that does only apply to tickets involving a journey involving some long-distance train. When you try to book a ticket within VRR (or even some types of regional train tickets within Northrhine-Westphalia), the DB website says "Preisauskunft nicht möglich" ("Price calculation not possible") and doesn't offer you the option to buy online. Your only option would be the Rheinbahn ticket machine at the Skytrain station (which only sells VRR tickets). There would be the option to buy your ticket using your cell phone (provided you have an internet connection), but for those living abroad, this doesn't really make sense as the connection fees are probably higher than the ticket itself.