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.
The design of these cars was based on that of the Rohr trains used on the Bay Area Rapid Transit system in San Francisco.
Between 1994 and 1996, 42 cars (21 two-car sets) were refurbished by FAUR and Electroputere for service on Line M3 using Secheron Hasler equipment, however for unknown reasons the refurbishment project was abandoned in favor of buying new trainsets and they are currently preserved at Berceni Depot.
In 2000, selected Astra IVA pairs were refurbished and equipped with new ATO and ATP signalling systems using then Dimetronic's TBS100FB system, meant for STO operation on the then new Line M4, between Gara de Nord 2 and 1 Mai stations.
The Astra Arad rolling stock is approaching the end of its service life, so the cars are being gradually phased out in favour of newer Bombardier Movia and CAF trains.