- Native name
- Amsterdamse metro
- Owner
- City of Amsterdam
- Locale
- Amsterdam , Diemen , Ouder-Amstel
- Transit type
- Rapid transit
- Daily ridership
- 247,397 (2018)
- Annual ridership
- 90.3 million (2018)
- Website
- gvb .nl /en
- Began operation
- 14 October 1977 ; 48 years ago ( 14 October 1977 )
- Operator s
- Gemeente Vervoerbedrijf
- System length
- 42.7 km (26.5 mi)
- Track gauge
- 1,435 mm ( 4 ft 8 + 1 ⁄ 2 in ) standard gauge
- Electrification
- Third rail , 750 V DC