S1 (Rhine-Main S-Bahn)

The S1 service of the S-Bahn Rhein-Main system bearing the KBS (German scheduled railway route) 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.

S1
S1 in Hochheim, bound for Wiesbaden
Overview
StatusOperational
OwnerDB Netz
LocaleFrankfurt Rhine-Main
Termini
Stations32
Service
TypeS-Bahn Rhein-Main (Rapid transit, Commuter rail)
Services
Route number645.1
Operator(s)DB Regio
Rolling stockDBAG Class 430
History
Opened28 May 1978 (1978-05-28)
Technical
Line length72.1 km (44.8 mi)
Track gauge1,435 mm (4 ft 8+1⁄2 in) standard gauge
ElectrificationOverhead line

With a route length of over 70 km (43 mi), 30 stations and a journey time of 87 minutes, it is the longest S-Bahn service in the Rhine-Main area. The average speed of travel is about 49.72 km/h (30.9 mph) and a station distance of about 2 km (1.2 mi).

Usually DBAG Class 423 railcars are used on this service. Its predecessor class 420 is only used for shortened shuttle services.

Routes

Taunus railway
Main article: Taunus Railway

The western branch of the service starts at the central station of Wiesbaden and utilises the oldest railway route of the Rhine-Main area running between Mainz-Kastel and Frankfurt-Höchst parallel to the Main and the Taunus mountains from which the railway line derived its name. The about 31 km (19 mi) long route crosses the southern part of Wiesbaden, the Main-Taunus-Kreis and the westernmost part of Frankfurt. The service uses the existing double track route together with national, regional, and freight transportation. It serves eight stations. The Taunus Railway was opened in stages between 26 September 1839 and 19 May 1840 and has been used by S-Bahn services since 1978.

Main-Lahn railway
Main article: Main-Lahn Railway

Between Farbwerke and Frankfurt-Griesheim this service shares the Main-Lahn line with freight and shunting operations. National and regional services use the parallel running Taunus railway in this section. The Main-Lahn railway was completed on 15 October 1877 and has been used by S-Bahn services since 1978.

City tunnel
Main articles: Citytunnel Frankfurt and Frankfurt Schlachthof–Hanau railway

The city tunnel is an underground, pure S-Bahn route used by almost all services (except for the S7 service which terminates at the central station). The tunnel was opened in four stages in 1978, 1983, 1990 and 1992. In a short section between Mühlberg and Offenbach-Kaiserlei the Frankfurt Schlachthof–Hanau railway is used. The section from Mühlberg to Offenbach Ost through the Offenbach City Tunnel was opened in 1995.

Rodgau railway
Main article: Rodgau Railway

This line was opened in 1896 and has been used since 2003 only by S-Bahn services.

History
Year Stations Route
1974 (R1) 12 Wiesbaden – Frankfurt Hbf
1978 14 (+2) Wiesbaden – Hauptwache
1983 15 (+1) Wiesbaden – Konstablerwache
1990 18 (+3) Wiesbaden – Frankfurt Süd
1992 17 (+1, -2) Wiesbaden – Mühlberg
1995 21 (+4) Wiesbaden – Offenbach Ost
2003 31 (+10) Wiesbaden – Rödermark-Ober-Roden

The S1 was one of the first six services of the Rhine-Main S-Bahn system. In a prior test operation it ran between Wiesbaden Central Station and Frankfurt Central Station. The service was then called R1 where the letter "R" stands for regional. After the opening of the Frankfurt Citytunnel the service was renamed to S1 and extended to the new Hauptwache underground station. Further extensions of the tunnel followed in 1983 (Konstablerwache) and 1990 (Ostendstraße and Lokalbahnhof) so that the Südbahnhof (South station) became the service's eastern terminal. In 1992 the eastern branch of the Citytunnel to the Mühlberg station was opened and the S1 started operation in this section shutting down its service to Lokalbahnhof and Südbahnhof. With the opening of the Offenbach Citytunnel, the service was extended eastwards to the station Offenbach Ost (Offenbach East).

In 2003 the Rodgau railway was included. After two years of construction work this route was changed to S-Bahn operation. Since then the new eastern terminal station is Rödermark-Ober-Roden.

Operation
  1. Wiesbaden – Rödermark-Ober-Roden
  2. Hochheim – Rödermark-Ober-Roden
  3. Hochheim – Offenbach-Ost
  4. Hattersheim – Frankfurt Hbf (Shuttle service)
  5. Frankfurt-Höchst – Rödermark-Oberroden
  6. Frankfurt-Höchst – Offenbach-Ost
  7. Frankfurt-Höchst – Frankfurt Hbf (Shuttle service)
S1 at Wiesbaden Central Station
S1 at Frankfurt-Nied station
S1 at Offenbach East Station
S1 in Rodgau-Jügesheim
Journey time Station Transfer S-Bahn service
since
1 2 3 4 5 6 7

Wiesbaden

0 Wiesbaden Hbf 1978
4+4 Wiesbaden Ost 1978
8+4 Mainz-Kastel 1978

Main-Taunus-Kreis

12+4 Hochheim 1978
18+6 Flörsheim 1978
21+3 Hattersheim-Eddersheim 1978
24+3 Hattersheim 1978

Frankfurt am Main

28+4 Frankfurt-Sindlingen 1978
31+3 Farbwerke 1978
33+2 Frankfurt-Höchst 1978
36+3 Frankfurt-Nied 1978
39+3 Frankfurt-Griesheim 1978
46+7 Frankfurt Hbf U4 U5 1978
43+4 Frankfurt Hbf (tief) U4 U5 1978
45+2 Taunusanlage 1978
47+2 Hauptwache U1 U2 U3 U6 U7 U8 1978
48+1 Konstablerwache U4 U5 U6 U7 1983
50+2 Ostendstraße 1990
52+2 Mühlberg 1992

Offenbach

55+3 Offenbach-Kaiserlei 1995
57+2 Ledermuseum 1995
58+1 Marktplatz 1995
61+3 Offenbach Ost 1995
64+3 Offenbach-Bieber 2003

Kreis Offenbach

66+2 Waldhof 2003
69+3 Obertshausen 2003
72+3 Rodgau-Weißkirchen 2003
74+2 Rodgau-Hainhausen 2003
76+2 Rodgau-Jügesheim 2003
79+3 Rodgau-Dudenhofen 2003
81+2 Rodgau-Nieder-Roden 2003
84+3 Rodgau-Rollwald 2003
87+3 Rödermark-Ober-Roden 2003

References
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