The European Road Transport Research Advisory Council (ERTRAC), the European Green Vehicles Initiative Association (EGVIA) and the European Commission organised the 4th European-wide Conference dedicated to the presentation of results from road transport research in H2020 funded projects (H2020RTR), which was held on 30 November & 1 December 2020. The Conference aimed at presenting what the projects have discovered, how they overcame the hurdles and challenges and resolved them, and what were the next research steps in the fields covered by their research.