GOLIA will work on an integrated, interdisciplinary and Adaptive Mobility Smart Governance Model, relying on data-based, social optimum-driven approach and inclusive policy making processes to ensure an adaptive, accessible and just mobility system. By relying on the integration of STEM and SSH expertise and approaches, GOLIA will revolutionize spatial and mobility planning by co-developing and testing (with three European communities) the vision-led Social Optimum Mobility Index, based not only on economic variables but also on indicators such as social support, healthy life quality, freedom to make life choices. The index will be location and time-dependent to enable dynamic management of transport offer and spaces. GOLIA also aims at understanding: - to which extent and under which conditions, data generated by Smart Cities supported by AI-based tools and - novel communication and consultation channels and methodologies to engage citizens and stakeholders beyond mobility practitioners might foster the establishment of a new inclusive and adaptive mobility governance, able to deliver policies resilient to political instability, pandemics or any other more or less disruptive event, as they are co-developed, co-designed, and co-monitored by and for citizens and firms. Finally, GOLIA will support European mobility communities in ensuring a Sustainable digital and green transition, by providing policy makers with tools, methodologies and evidence-based recommendations to align local, regional and national transport and mobility plans to the European Green Deal and Sustainable Development Goals, enabling the gradual phase-out from car-dependency.