The 2017 Annual Polis Conference on “Transport innovation for sustainable cities and regions” took place with great success on 6 and 7 December 2017 in Brussels, organised by POLIS, the European Cities Network. The conference provided an opportunity for cities, metropolitan areas and regions to showcase their transport achievements to a large audience, and for the wider transport community to engage with representatives of local and regional authorities on innovative transport solutions. 
Road Safety was one of the key areas of the Conference, as was also the subject of the special joint POLIS–ITF workshop on Safer City Streets. NTUA presentation concerned:
