S3 (Rhine-Main S-Bahn)
| S3 | |
|---|---|
S3 towards Bad Soden at Frankfurt (Main) Süd  | |
| Overview | |
| Status | Operational | 
| Owner | Rhein-Main-Verkehrsverbund | 
| Line number | 3 | 
| Locale | Frankfurt Rhine-Main | 
| Termini | |
| Stations | 18 | 
| Service | |
| Type | Rapid transit, Commuter rail | 
| System | S-Bahn Rhein-Main | 
| Services | Limes Railway, Homburg Railway, Citytunnel Frankfurt | 
| Route number | 645.3 | 
| Operator(s) | DB Regio | 
| Depot(s) | Frankfurt Hbf | 
| Rolling stock | DBAG Class 423 | 
| History | |
| Opened | 28 May 1978 | 
| Technical | |
| Track gauge | 1,435 mm (4 ft 8+1⁄2 in) standard gauge | 
| Electrification | Overhead line | 
The S3 service of the S-Bahn Rhein-Main system bearing the KBS (German scheduled railway route) number 645.3