S9 (Rhine-Main S-Bahn)
| S9 | |
|---|---|
S9 to Wiesbaden Hbf at Gateway Gardens station  | |
| Overview | |
| Status | Operational | 
| Owner | Rhein-Main-Verkehrsverbund | 
| Line number | 9 | 
| Locale | Frankfurt Rhine-Main | 
| Termini | |
| Stations | 26 | 
| Service | |
| Type | Rapid transit, Commuter rail | 
| System | S-Bahn Rhein-Main | 
| Services | Taunus Railway, Main Railway, Citytunnel Frankfurt, Frankfurt Schlachthof–Hanau railway | 
| Route number | 645.9 | 
| Operator(s) | DB Regio | 
| Depot(s) | Frankfurt Hbf | 
| Rolling stock | DBAG Class 430 | 
| History | |
| Opened | 2000 | 
| Technical | |
| Line length | 66.1 km (41.1 mi) | 
| Track gauge | 1,435 mm (4 ft 8+1⁄2 in) standard gauge | 
| Electrification | Overhead line | 
The S9 service of the S-Bahn Rhein-Main system bearing the KBS (German scheduled railway route) number 645.9. It is largely concurrent with the S8 service, diverging only to bypass Mainz (which the S8 serves locally).