Roma Servizi per la Mobilità, following the indications of the Department of Mobility, represents the city of Rome in the POLIS association, a network of European cities and regions that, since 1989, have been working together to develop innovative technologies and policies for local transport. The annual POLIS conference (download the programme) offers cities and regions the opportunity to showcase their transport achievements to a wide audience of mobility experts, practitioners and decision-makers: a focus on innovation, sustainability and co-creation, Gothenburg hosts one of Europe's most dynamic clusters in the field of mobility. Like the other editions held in the city holding the Presidency, much space was given to the participation of city representatives, research and the best innovative mobility solutions implemented by European local authorities. Francesco Iacorossi presented the GRAB for the city of Rome as part of the European Handshake project. All presentations and conference proceedings are available on the POLIS website.