Offenbach City Tunnel

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Offenbach City Tunnel
Offenbach-Marktplatz Station
Offenbach-Marktplatz Station
Route number: 645.1, .2, .8/9
Line number: 3680
Line length: 3.7
Track gauge: 1435
from Frankfurt City Tunnel
parallel to South Main line
between Frankfurt South and Offenbach Hbf
City-Tunnel Offenbach
57.1 Offenbach-Kaiserlei
58.0 Ledermuseum
59.0 Marktplatz
Offenbach City Tunnel
South Main line from Offenbach Hbf
60.5 Offenbach-Ost
to Rodgau Railway S1Frankfurt S1.svgS2Frankfurt S2.svg
and to Hanau S8Frankfurt S8.svgS9Frankfurt S9.svg

The Offenbach City Tunnel is a standard gauge railway in Offenbach am Main and the route along which all lines in the eastern area of the Rhine-Main S-Bahn run (S1, S2, S8 and S9). It runs largely under Berliner Straße.

Construction[edit]

Planning options considered, the most northerly route was chosen

Several options were considered and the current route was selected in 1983. Finance for the project was agreed on 4 December 1986, and planning approval was achieved at the end of 1990, allowing construction to begin. However, the symbolic beginning of construction was on 23 March 1988. Parts of the new line run along or below the route of the former Lokalbahn line.

Commissioning and subsequent changes[edit]

The line between Frankfurt-Mühlberg and Offenbach Ost was opened on 23 May 1995. This was linked with the extension of line S8 to Hanau, while line S1 only went as far as Offenbach Ost. Line S2—which had previously terminated at Muhlberg—was diverted to Frankfurt South station.

Following the completion of the upgrading of the Rodgau Railway as well as the route to Dietzenbach on 23 March 2001 lines S1, S2, S8 and S9 now run through the Offenbach City Tunnel. Limited capacity in the Frankfurt City Tunnel until 13 June 2010, meant that line S2—in contrast to the other lines—could only run every half hour, while additional peak hour S2 trains could only operate between Dietzenbach and Offenbach Hauptbahnhof and between Frankfurt Hauptbahnhof and Niedernhausen rather than use the tunnel.

In the course of the Offenbach City Tunnel, S-Bahn trains stop at three stations: Kaiserlei, Ledermuseum (Leather Museum) and Marktplatz. All stations are very similar in construction.

References[edit]

  • Eisenbahnen in der Region Frankfurt RheinMain (Railways in the Frankfurt Rhine-Main region) (in German). Darmstadt: Hestra-Verlag. 2002. ISBN 3-7771-0304-7. 
Offenbach Ost station