The Department of Transportation (DOTr) has endorsed to the Public Private Partnership (PPP) Center the proposal of the Philtrak consortium to convert the decommissioned at-grade trackways of the Philippine National Railways (PNR) in Luzon and Panay Railways Inc. (PRI) in the Visayas into a bus rapid transit (BRT) line using hybrid electric road train (HERT) technology developed by the Department of Science and Technology (DOST).