The Rhine-Main S-Bahn system is an integrated rapid transit and commuter train system for the Frankfurt/Rhine-Main region, which includes the cities Frankfurt am Main, Wiesbaden, Mainz, Offenbach am Main, Hanau and Darmstadt. The network comprises nine S-Bahn lines, eight of which currently travel through the cornerstone of the system, a tunnel through central Frankfurt. The first section of this tunnel was opened on May 28, 1978. Further tunnel sections were opened in 1983 and 1990, before its completion in 1992. The system belongs to the Rhein-Main-Verkehrsverbund (RMV) and is operated by DB Regio, a subsidiary of Deutsche Bahn.
The Taunus Railway is a double-track electrified railway line, which connects Frankfurt and Wiesbaden, Germany. It is 41.2 km long and follows the course of the Main on its north side, running quite close to it in some places. Its first stage was opened in September 1839 and is thus the oldest railway line in the German state of Hesse and one of the oldest in Germany. Today it is used by Regional-Express trains between Frankfurt and Wiesbaden and the trains of line S1 of the Rhine-Main S-Bahn between Frankfurt-Höchst and Wiesbaden. Between Frankfurt Hbf and Frankfurt-Höchst, they run on the line of the former Hessian Ludwig Railway.
The S1 service of the S-Bahn Rhein-Main system bearing the KBS number 645.1 is an important railway connection running east–west. It operates between the Hesse state capital Wiesbaden and the southern Offenbach rural district serving the densely populated area along the Main river.
The Frankfurt Airport loop is a 15.8-kilometre-long (9.8 mi) double-track railway line connecting Frankfurt and Frankfurt Airport and operated as part of the Frankfurt S-Bahn. It is electrified at 15 kV/16.7 Hz.
The S2 service of the S-Bahn Rhein-Main system bearing the KBS number 645.2 is a railway connection between the small Taunus town Niedernhausen and Dietzenbach.
The S4 service of the S-Bahn Rhein-Main system bearing the KBS number 645.4
The S8 service of the S-Bahn Rhein-Main system bearing the KBS number 645.8. It is largely concurrent with the S9 service, diverging only to run local through Mainz. It runs 24 hours, 7 days.
The Offenbach City Tunnel is a railway tunnel on the Frankfurt Schlachthof–Hanau railway in Offenbach am Main in the German state of Hesse. It is used by all of the eastern branches of the Rhine-Main S-Bahn. It runs largely under Berliner Straße.
Offenbach (Main) Ost station is the second most important station after Offenbach Hauptbahnhof of Offenbach am Main in the German state of Hesse. Today it is served exclusively by the Rhine-Main S-Bahn. Although Offenbach Hauptbahnhof is served by some Regional-Express services and a few intercity services each day it is rated as a category 4 station, while Offenbach Ost station is now rated as a category 3 station.
Frankfurt-Niederrad station is a station in the district of Niederrad in the southwest of Frankfurt am Main in the German state of Hesse.
Kelsterbach station is the station of the town of Kelsterbach in the German state of Hesse on the Main Railway from Mainz to Frankfurt. The station is classified by Deutsche Bahn as a category 5 station.
Rüsselsheim station is a transit station in the town of Rüsselsheim in the German state of Hesse on the Main Railway from Mainz to Frankfurt am Main. It is classified by Deutsche Bahn as a category 3 station. The station is served by the Rhine-Main S-Bahn and by regional trains. There is another station in Rüsselsheim, Rüsselsheim-Opelwerk station, which is served by S-Bahn trains only.
Mainz-Bischofsheim station is the station of the town of Bischofsheim in the German state of Hesse on the Main Railway from Mainz to Frankfurt am Main. It is classified by Deutsche Bahn as a category 4 station. The station is served by the S-Bahn and regional trains. The station was opened at its current location in 1904.
Wiesbaden Ost (east) station is situated on the Frankfurt–Wiesbaden line in the German state of Hesse. It was opened as part of the Taunus Railway, which was opened in 1839/40. The station was opened as part of the last stage of construction of the line to Wiesbaden and was opened on 19 May 1840.
Raunheim station is a railway station in the town of Raunheim in the German state of Hesse on the Main Railway from Mainz to Frankfurt am Main. It is classified by Deutsche Bahn as a category 5 station. The station is served by the S-Bahn. The station was opened in 1863.
Steinheim (Main) station is a station on the Frankfurt Schlachthof–Hanau railway in Hanau in the German state of Hesse. The station is classified by Deutsche Bahn (DB) as a category 5 station.
Mühlheim-Dietesheim station is a railway station serving the town of Mühlheim am Main, approximately 13 km to the east of the city of Frankfurt am Main in Hesse, Germany. Its two platforms are served by S-Bahn lines S8 and S9, which run from Wiesbaden in the west to Hanau in the east via Frankfurt Airport, Frankfurt Hauptbahnhof and the city tunnel, and Offenbach Ost. Trains call approximately every half an hour during the day, with more frequent quarter-hourly services during the rush hour. Late in the evenings, early in the mornings, and on Sundays, services are restricted to once an hour in either direction, as other S8 and S9 services terminate at Offenbach Ost instead of Hanau Hauptbahnhof.
Rödermark-Ober Roden station is the station of the Rödermark suburb of Ober-Roden in the German state of Hesse. It is the southern terminus of line S1 of the Rhine-Main S-Bahn and a stop for Regionalbahn services on the Dreieich Railway. It is classified in station category 4 and is a hub for public transport. The station building is a listed building.
Mühlheim (Main) station is a railway station serving the town of Mühlheim am Main, approximately 11.5 kilometres (7.1 mi) to the east of the city of Frankfurt am Main in Hesse, Germany. It has two tracks on a single island platform, and both are served by S-Bahn lines S8 and S9, which run from Wiesbaden in the west to Hanau in the east via Frankfurt Airport, Frankfurt Hauptbahnhof and the city tunnel, and Offenbach Ost. Trains call approximately every 30 minutes during the day, with more frequent quarter-hourly services during the rush hour. Late in the evenings, early in the mornings, and on Sundays, services are restricted to once per hour in either direction, as other S8 and S9 services terminate at Offenbach Ost instead of Hanau Hbf.
The Frankfurt Schlachthof–Hanau railway is a railway line that is used by the Rhine-Main S-Bahn and connects the Frankfurt City Tunnel via the Offenbach City Tunnel and Mühlheim with Hanau. It mostly runs parallel to the Frankfurt–Göttingen railway and was built to relieve the busy long-distance railway line. To distinguish it from the planned North Main S-Bahn to Hanau via Maintal, the route is also referred to as the South Main S-Bahn.
