The Badner Bahn or Wiener Lokalbahn is a tram-train service in the metropolitan area of Vienna. It runs for 30.4 kilometres (18.9 mi) between Vienna and Baden, and is operated by the Wiener Lokalbahnen Aktiengesellschaft. The entire Badner Bahn is part of the Verkehrsverbund Ost-Region and is one of the most important passenger services owned by WLB. In 2013, 35,000 passengers per day used the service.