MaaS for the Masses: Potential Transit Accessibility Gains and Required Policies under Mobility-as-a-Service

•Access to transit with/without MaaS is calculated for Metro Manila, Philippines.•23.9 % of the population resides within walking distance to transit stops.•The integration of paratransit can increase this share by 41.1 %.•Access to transit further increases when micro-mobility is integrated.•Policies for exploiting these potential benefits are discussed.