S9 (Rhine-Ruhr S-Bahn)


Line S 9 is an S-Bahn line on the Rhine-Ruhr network, operated by Abellio Rail NRW. It runs from Haltern am See in the north through Essen to Hagen Main Station in the south. During the day two services per hour run between Wuppertal and Bottrop Hauptbahnhof, one service per hour between Bottrop and Haltern and one service per hour between Wuppertal and Hagen, using FLIRT 3XL electric multiple units.
Line S 9 runs over lines built by various railway companies:
S-Bahn services commenced between Dortmund and Essen on 29 September 1991. Services commenced between Steele Ost and Haltern am See on 24 May 1998. Services were extended to Wuppertal on 14 December 2003 and to Hagen on 1 May 2020.