- Locale
- Berlin
- Transit type
- Rapid transit ( S-Bahn )
- Number of lines
- 15 (1 line under construction)
- Daily ridership
- 1,400,000 (av. weekday, 2024)
- Annual ridership
- 456 million (2024)
- Website
- S-Bahn Berlin GmbH
- Began operation
- 8 August 1924
- Operator s
- S-Bahn Berlin GmbH
- System length
- 340 km (211 mi)
- Track gauge
- 1,435 mm ( 4 ft 8 + 1 ⁄ 2 in ) ( standard )
- Electrification
- 750 V DC Third rail
- Average speed
- 40 km/h (25 mph)