The five consortia are: Systra, in partnership with Parsons and Atkins; Mott MacDonald with Italferr and WorleyParsons; Aecom with Cowi & Partners and DB International; a Korea Rail consortium which includes 10 Korean companies including Hyundai; and Prointec Group, a Spanish consortium, which includes Idom, Eurostudies and ALG.

The Ministry of Transport and Communications is implementing the project on behalf of the government with the successful bidder required to establish the system parameters, operating plan and design standards, and prepare the preliminary design.

Upon completion of this process, the consultant will also be expected to carry out detailed alignment and infrastructure design, as well as develop specifications for rolling stock and other systems.