- Native name
- Metro de Santiago
- Locale
- Santiago , Chile
- Transit type
- Rapid transit
- Daily ridership
- 2.03 million ( avg. weekday , 2023)
- Annual ridership
- 599 million (2023)
- Website
- Metro de Santiago
- Began operation
- 15 September 1975 ; 50 years ago ( 15 September 1975 )
- Operator s
- es:Metro S.A.
- System length
- 149 km (93 mi)
- Track gauge
- 1,435 mm ( 4 ft 8 + 1 ⁄ 2 in ) standard gauge
- Electrification
- 750 V DC third rail (as guide bars on lines 1 , 2 and 5 , conventional on line 4 / 4A ) 750 V DC overhead catenary (lines 3 and 6 ) 1,500 V DC overhead catenary (line 7 )