S11 (Rhine-Ruhr S-Bahn)

Before 13 December 2009, the service operated from Wuppertal-Vohwinkel in peak time, sharing the Wuppertal-Düsseldorf run with the S8 trains.

The S11 runs are normally operated with DBAG Class 423 stock, usually with two coupled sets per train.

The Line runs over lines built by various railway companies: Services commenced between Cologne and Köln-Chorweiler on 1 June 1975 and extended to Köln-Chorweiler Nord on 22 May 1977.

Services were extended to Neuss on 2 June 1985, to Düsseldorf-Gerresheim/Düsseldorf Wehrhahn on 29 May 1988, to Wuppertal-Vohwinkel.

On 13 December 2009, it was extended to Düsseldorf Airport Terminal, dropping the fork to Wuppertal-Vohwinkel.