The European Green Deal and its target for reducing emissions together with the New EU Urban Mobility Framework put public transport in the spotlight of EU mobility policies. Research and innovation is thus required in order to respond to these needs. This report provides a review of recent trends, challenges and achievements of European research and innovation initiatives in public transport. The report identifies relevant projects that focus on public transport, using the Transport Research and Innovation Monitoring and Information System (TRIMIS) database. It identifies main actors and trends in European public transport research and it discusses main areas of development in order to point out main achievements. It also presents future research needs and policy recommendations.