S9 (Rhine-Main S-Bahn)

S9
S9 to Wiesbaden Hbf at Gateway Gardens station
Overview
StatusOperational
OwnerRhein-Main-Verkehrsverbund
Line number9
LocaleFrankfurt Rhine-Main
Termini
Stations26
Service
TypeRapid transit, Commuter rail
SystemS-Bahn Rhein-Main
ServicesTaunus Railway, Main Railway, Citytunnel Frankfurt, Frankfurt Schlachthof–Hanau railway
Route number645.9
Operator(s)DB Regio
Depot(s)Frankfurt Hbf
Rolling stockDBAG Class 430
History
Opened2000 (2000)
Technical
Line length66.1 km (41.1 mi)
Track gauge1,435 mm (4 ft 8+12 in) standard gauge
ElectrificationOverhead 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).