The proposed package has been valued at $480m.
Multilaterals including IADB, BIRF and the EIB have already secured $1.7bn, while the concessionaire will need to raise $1.1bn in equity and debt for the project, valued $4.3bn.
So far, 64 companies have expressed interest in the 24km elevated metro including Acciona, China Harbour Engineering Company, Cintra, Effiage, FCC, Vinci and Sacyr, among others.
Financial institutions interested in the project involve Macquarie, HSBC, Corficolombiana and Mitsui & Co.
To see the full list click here.
The prequalification process is expected to start in January 2019.
The Bogota Metro will be the first metro line in the city. It will include 16 stations and complementary works will also involve the reconstruction of 22.2km of roads.