In details, those 7 investors are Vingroup; Xuan Thanh Cooperation; Lung Lo 5 Company; OJSC Mosmetrostroy (Russia); Tan Hoang Minh Group, Licogi Company and MIK Group Joint stock company; Lotte Group (Korea).

In the climate of numerous difficulties in investment source, Hanoi proposed for approval from the government to carry out urban railway project in form of public-private-project (PPP).
Hanoi government also asked Vietnamese Prime Minister for approval to directly cooperate with Ministry of Transportation, Ministry of Finance, and Ministry of Construction to select the suitable projects and then report to Vietnam’s state government. On basement of reviewing Transportation – Urban Plan of Hanoi, the municipal government petitioned Prime Minister to allow Hanoi, in period of 2017-2020, to invest in constructing railway routes and partial railway routes including: Route 2 from Noi Bai Airport to Nam thang Long, partial route from Thuong Dinh to Buoi; Route 5 from Van Cao to Hoa Lac, Route 3 from Nhon to Troi to Dan Phuong.