Hallo Karsten,
 
Bahnhof Altentreptow:
https://www.openstreetmap.org/relation/9917185
 
RE5:
https://www.openstreetmap.org/relation/373292#map=18/53.69193/13.24442&layers=N
und
https://www.openstreetmap.org/relation/2609908#map=18/53.69202/13.24414&layers=N