City sustainability and urban freight transport: environmental evidences from the cities

The paper, within the field of city logistics sustainability, recalls the overview of measures to be implemented, in a “what if” framework, with strong references to the ex-post assessment carried out in order to support the definition of city logistics scenarios that should have to be evaluated ex-ante by simulation models. The analysis is done in relation to the goals of environmental sustainability to be pursued and the main characteristics of analyzed cities. The study presents the existing relations among outcomes (e.g. reduction of greenhouse gas– CO2 - or air pollutant emissions – CO, NOx, SOx, PM) and city logistics measures. Both qualitative and quantitative trends of expected results related to environmental sustainability in function of city characteristics will be deepened. From this type of analysis, it will be possible to identify the maximum expected reduction of externalities obtainable from a given city logistics measure in relation to a specific city.