One of the aspects addressed by the new Spanish Sustainable Mobility Law is the role of data in the mobility ecosystem, introducing three key points regarding the management of mobility data: the Integrated Mobility Data Space (EDIM) as a common tool, the regulation of data-sharing mechanisms in the sector, and the generation of new use cases for mobility data linked to the development of evidence-based public transport policies. In this article, we provide a brief overview of these three instruments.