“…Existing PPPs sustainable evaluation tools are mainly designed for environment or economic sustainability (Diaz‐Sarachaga, Jato‐Espino, Alsulami, & Castro‐Fresno, ; Olakitan Atanda, ). Even though several evaluation tools have begun focusing on the social sustainability, they are mainly designed for the individual project, aiming to translate the SDGs into concrete actions at the project level (Chou, Tserng, Lin, & Huang, ; Hueskes et al, ; Patil & Laishram, ). However, regional PPP policy decision‐making process at the institutional level should be a key factor of PPP sustainability governance mechanism (Chou et al, ; Hueskes et al, ; Lenferink, Tillema, & Arts, ; Patil, Tharun, & Laishram, ).…”