- Native name
- Métro de Bruxelles ( French ) Brusselse metro ( Dutch )
- Locale
- Brussels-Capital Region
- Transit type
- Rapid transit
- Number of lines
- 4 metro lines ( M1 , M2 , M5 , M6 ) , 3 premetro lines ( T4 , T7 , T10 )
- Number of stations
- 59 (metro only), 69 (with premetro )
- Annual ridership
- 129.2 million (2022)
- Website
- www .stib-mivb .be /home
- Began operation
- 20 September 1976 ; 49 years ago ( 1976-09-20 )
- Operator s
- STIB/MIVB
- System length
- 39.9 km (24.8 mi) (metro only) , 55.7 km (34.6 mi) (with premetro )
- Track gauge
- 1,435 mm ( 4 ft 8 + 1 ⁄ 2 in ) standard gauge
- Electrification
- 900 V DC third rail