Hitachi will provide 28 six-car trains and Ansaldo STS will supply signalling, telecommunications and power systems, while Mitsubishi will be in charge of commercial affairs.

MPSA will select the prime contractor for the project, which will including the civil works portions, while the subcontractor contract will be signed by the prime contractor and the three MOU signees.

The Japan International Cooperation Agency (JICA) signed a loan agreement with the Republic of Panama on April 20 2016 to provide a Japanese official development assistance (ODA) loan of up to Yen 29.5bn ($US 266.2m) for the Panama Metropolitan Area Urban Transportation Line-3 Development Project.