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S1
S1 in Hochheim, bound for Wiesbaden
Overview
Status	Operational
Owner	DB Netz
Locale	Frankfurt Rhine-Main
Termini	Wiesbaden Hauptbahnhof Rödermark-Ober Roden
Stations	32
Service
Type	S-Bahn Rhein-Main (Rapid transit, Commuter rail)
Services	Taunus Railway Main-Lahn Railway Citytunnel Frankfurt Frankfurt Schlachthof–Hanau railway Rodgau Railway
Route number	645.1
Operator(s)	DB Regio
Rolling stock	DBAG Class 430
History
Opened	28 May 1978 (1978-05-28)
Technical
Line length	72.1 km (44.8 mi)
Track gauge	1,435 mm (4 ft 8+1⁄2 in) standard gauge
Electrification	Overhead line

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.

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

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

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

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

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

History

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)

							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		1978
							43	+4		Frankfurt Hbf (tief)		1978
							45	+2		Taunusanlage		1978
							47	+2		Hauptwache		1978
							48	+1		Konstablerwache		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

External links

• traffiQ Frankfurt – S1 timetable

v t e Rhine-Main S-Bahn
Services
Routes	Frankfurt City Tunnel Offenbach City Tunnel Frankfurt Airport loop Frankfurt Schlachthof–Hanau railway Homburg Railway Kronberg Railway Limes Railway Main Railway Main-Lahn Railway Main-Neckar Railway Main–Weser Railway Offenbach-Bieber–Dietzenbach railway Mannheim–Frankfurt railway Rodgau Railway Taunus Railway

• Rhine-Main S-Bahn