- Oberhollenberg, Oberstaat, Obersteeg, Oesinghausen, Ötterstal, Ohl,
Osberghausen, Papiermühle, Perdt, Remerscheid, Rennbruch, Rommersberg, Rosenau, Rottland...
- from the
Oberbergisch district to
Cologne the
Wiehl Valley Railway to
Osberghausen the
Volme Valley Railway (Volmetalbahn) to
Dieringhausen the tramlines...
- into
operation in 1921. Over time, the
railway workshop came to
serve Osberghausen station and
Dieringhausen station acted as a
train marshalling station...
- Eggmühl–Langquaid,
Bavaria Höddelbusch –
Schleiden (Olef
Valley Railway), NRW
Osberghausen (in the town of Engelskirchen) –
Oberwiehl (Wiehl
Valley Railway), NRW...
