 Starting with the 2005/2006 timetable, however, "S-Bahn" has begun to appear in timetables and loudspeaker announcements.Announcements in Badner Bahn trains still use the term "Schnellbahn" as of 2009.The Main Route ("Stammstrecke") of the Vienna S-Bahn has a length of 13,3 km (8.3 mi) with trains running at headways comparable to those of the Vienna U-Bahn.