The busy central area of Piraeus and the central passenger gateway of the port will soon be connected to the traffic network at the level of urban metropolitan and national MST metro network the railway network and suburban the new tram system as well as to the buses of OASA therefore by all means located at a short distance from each other Piraeus with this design is transformed into the largest passenger MST transport terminal hub in the country where 4 media tracks converge Traffic congestion and chaotic access to the city center and the port zone urge the competent bodies and the municipal authority to formulate a policy that will address physical and operational bottlenecks in the transport network ensuring that the many conflicting requirements in particular for road space can be properly addressed At the same time it is necessary to prepare the contribution of the city to the achievement of the national climate targets in the establishment of green transport and the commitments made in the mayors' contract to address the different environmental challenges of nature and to improve the quality of the city. The Sustainable Urban Mobility Plan SUMP of Piraeus is in the process of being completed and aims to provide solutions to these challenges It addresses the mobility and accessibility needs at strategic and local level and identifies measures to address urban mobility problems At the same time, OASA begins the development of a transport plan at regional level that will address strategic transport issues throughout the Region of Attica The Municipality of Piraeus identifies the need for a focused analysis of transport modes and developments in the metropolitan area that will simulate how the existing and future demand for mobility can be adequately met through a series of interventions and solutions.