SNC-Lavalin of Canada in association with Guris of Turkey supported by the Canadian International Development Agency delineating capital city metro project, preparing preliminary designs, and establishing cost and financing strategies. May 1996.
Construction to resume after six-year delay due to lack of funds. Some 7 km of tunnels bored in the late-1980s will be part of design study which is funded in part by Canadian IDA. September 1997.