Timetable change ZOO-EXPRESS! From Sep.25th, 2023 until Sep. 29nd, our Zoo-Express departs on a hourly frequency, starting at 09:30 am from the Cologne Cathedral and 10 am from the Zoo of Cologne. Attention!!! The regular service of our Bimmelbahnen will be completely suspended during the Cologne Marathon on 01.10.2023. Your Cologne Mini-train team.