By The Nation
The public-private MRTA project will cost around Bt200 billion and is aimed at driving economic growth, he added.
The nine companies are Bangkok Expressway and Metro, Bangkok Mass Transit System, BTS Group Holding, Sino-Thai Engineering and Construction, Italian-Thai Development, Ratch Group, Chor Karnchang (CK), Gulf Energy Development and Sinohydro Corp.
They must submit their tenders on September 23. Trains are due to start operating on the Thailand Cultural Centre-Min Buri section in 2023 and on the Thailand Cultural Centre-Bang Khun Non section in 2025.