The Laboratory for Road Engineering and Sealing Components of the Swiss Federal Laboratories for Materials Science and Technology (Empa) organised the 9th International Conference on Maintenance and Rehabilitation of Pavements (MAIREPAV9) which took place with great success on 1 – 3 July 2020, in Zurich. The MAIREPAV series aims to promote and discuss the state-of-the-art design, maintenance, rehabilitation and management of pavements. MAIREPAV9 focused on sustainable design, testing and evaluation, and management of pavement infrastructures. The conference aimed to present and discuss current knowledge of the ever-changing challenges to researchers, engineers, managers and professionals from all over the world who are involved in design and management of pavements.  NTUA actively contributed with the following paper: