The World Road Association – PIARC organised with great success two webinars which were held online on 5 and 15 September 2023, with the active support of NTUA. The topics of the Webinars were: Infrastructure, Tunnels, Speed, Data and Management, Behaviour, VRUs, Vehicles. The webinars provided solutions and recommendations to build road safety expertise in all countries with focus on Low and Middle Income Countries, in order to adopt effectively the Safe System Approach and reduce fatal and serious crashes on road network.  NTUA actively contributed with the following presentation: