متروی صوفیه

Key facts

Native name

Софийско метро

Owner

City of Sofia

Locale

Sofia , Bulgaria

Transit type

Rapid transit

Number of stations

47 , 10 under construction

Daily ridership

470 000

Annual ridership

93 million (2024)

Chief executive

Nikolai Naidenov

Website

www .metropolitan .bg

Began operation

28 January 1998 ; 28 years ago ( 1998-01-28 )

Operator s

Metropoliten JSC

System length

52.0 km (32.3 mi)

Track gauge

1,435 mm ( 4 ft 8 + 1 ⁄ 2 in ) standard gauge

Electrification

825 V DC from third rail (M1/M2/M4 lines), 1,500 V DC from overhead catenary (M3 line)

Average speed

40 km/h (25 mph)

Top speed

80 km/h (50 mph)

via Wikipedia infobox