The TOPOS Observatory and Forum is now online aiming to limit existing barriers in Open Science in Transport Research and align transport research with European Open Science Cloud (EOSC) by following the FAIR principles (Findability, Accessibility, Interoperability, and Reusability). It is one of the main results of the BeOpen project funded by the European Commission Horizon 2020 Programme. TOPOS Observatory is a tool for advance search on open transportation data and publications, including road safety, supporting also the exchange ideas and sharing best practices for operationalising Open Science principles in transport research.