Frankfurt (650,000 inhabitants) is known as the financial capital of Germany and the seat of the European Central Bank. It is the centre of a larger metropolitan area including cities like Offenbach, Hanau, Wiesbaden (Hessen's capital) and Mainz (capital of Rheinland-Pfalz). It also has one of the busiest airports in Europe. The biggest part of Southern Hessen is integrated into the Rhein-Main-Verkehrsverbund.

Besides the "U-Bahn" (rather a typical German Stadtbahn) and the extensive tramway network Frankfurt boasts an efficient S-Bahn system, which due to the city's large number of daily commuters is the backbone of suburban and regional transportation. The S-Bahn Rhein-Main is operated by DB (Deutsche Bahn).

- Total network length: approx. 303 km
- dedicated tracks between Frankfurt West/Stadion and Hanau/Darmstadt, parallel to mainline tracks;
- exclusive S-Bahn service between F-Rödelheim and Kronberg/Sulzbach Nord;
- mixed service with other regional and long-distance services on other routes (notably on the route to Friedberg and to Riedstadt-Goddelau);
- 12 underground stations: 7 along the Frankfurt city tunnel, 3 in Offenbach, 1 at the airport, 1 at Schwalbach-Limes;
- platform length: 210 m
- between Hauptwache and Konstablerwache, the S-Bahn tracks lie between the Stadtbahn (U6/U7) tracks, providing cross-platform interchange at Konstablerwache;
- rolling stock: BR423, BR430 and BR425

 Books

Schwandl, Robert: FRANKFURT STADTBAHN ALBUM. The Frankfurt Light Rail Network. - Sept. 2008, Berlin, ISBN 978 3 936573 21 3

Schwandl, Robert: Schnellbahnen in Deutschland / Metros in Germany. U-Bahn - Stadtbahn - S-Bahn. - April 2007, Berlin, ISBN 978 3 836573 18 3 - Anything you want to know about German metro and light rail systems, with detailed maps and hundreds of colour photos; 192 pages; Text German and English - More details

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NAHVERKEHR IN FRANKFURT - (Public Transport in Frankfurt), actually a magazine with many photos, 114 pages ISBN: 3897240106

RMV (Rhein-Main-Verkehrsverbund) incl. on-line timetable

Deutsche Bahn AG (DB) > S-Bahn Rhein-Main

traffiQ - Lokale Nahverkehrsgesellschaft Frankfurt am Main mbH

S-Bahn Rhein-Main at Wikipedia.de

Collection of Frankfurt Network Maps by Michael König

Michas Planet > S-Bahn Frankfurt