Operators
In Hungary, Ziu-9 trolleys still operate in Budapest (BKV) Debrecen (DKV) and used to operate in Szeged (SzKT). ZiU-9s worked or are now working in all ex-USSR countries except the Baltic states. They were also sold to Greece, Argentina, in Colombia the EDTA (Empresa Distrital de Transportes Asociados) was a larger operator of these buses; they was in a very bad conservation state, and the former Eastern Bloc countries. Three cars were on loan in 1973 for testing purposes in Helsinki, Finland.
Read more about this topic: Zi U-9