Astra IVA

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Astra IVA
Astra IVA unit 003, one of the oldest still in use, at Străulești in 2019. This unit was made in 1978, being the first from the production series.
Interior of an Alstom-refurbished IVA trainset, July 2011
In service	1979–present
Manufacturer	Întreprinderea de Vagoane Arad (IVA)
Constructed	1976, 1978–1992
Entered service	16 November 1979; 44 years ago (1979-11-16)
Refurbished	1994–1996 (FAUR), 2000–2003, 2008, 2011–2014 (Alstom)
Scrapped	2007–
Number built	504 cars (250 2-car sets + 2 prototype sets)
Formation	Married pairs
Fleet numbers	001–252 (001* and 002* prototypes)
Capacity	332 (68 seated, 264 standing)
Operators	Bucharest Metro
Depots	Ciurel/Semănătoarea, Pantelimon, Berceni, Militari
Lines served	M3, M4
Specifications
Train length	38 m (124 ft 8+1⁄16 in)
Car length	19 m (62 ft 4+1⁄16 in)
Width	3.1 m (10 ft 2+1⁄16 in)
Height	3.6 m (11 ft 9+3⁄4 in)
Doors	4 doors per side/car
Maximum speed	80 km/h (50 mph)
Weight	72 t (71 long tons; 79 short tons)
Traction system	DC
Traction motors	4 × 215 kW (288 hp)
Power output	860 kW (1,150 hp)
Acceleration	1.3 m/s2 (4.3 ft/s2)
Deceleration	1.3 m/s2 (4.3 ft/s2) (service) 2 m/s2 (6.6 ft/s2) (emergency)
HVAC	Driver Only
Electric system(s)	750 V DC third rail
Current collector(s)	Contact shoe
UIC classification	B′B′+B′B′
Safety system(s)	INDUSI (ATP), Siemens TBS100FB (ATO/ATP)
Coupling system	Non-electric
Multiple working	Yes (before refurbishment), No (after refurbishment)
Track gauge	1,432 mm (4 ft 8+3⁄8 in)
Notes/references
[1]

Astra IVA is a family of metro train used by Bucharest Metro, of which 504 cars (252 two-car sets) were built between 1976 and 1993 by Întreprinderea de Vagoane Arad (IVA) in Arad, Romania. Internally they are known as the BM1 (Bucharest Metro 1st generation).