We propose a theory-inspired measure of the accessibility of a city's center: the size of the surrounding area from which it can be reached within a specific time. Using publicly-available optimal routing software, we compute these "accessibility zones" for the 109 largest American and European...

Cities face the daily challenge of providing people with access to different activities through their public transport systems. Despite its importance, there is little research on accessibility that focuses on the use of this mode and even less accounting for the impact of level of service (i.e....

In recent years several European municipalities have paired market-based measures with urban distribution centres (UDC) in order to reduce CO2 emissions and make more sustainable urban freight ‡ows. However, UDCs may add reloading costs and extra delivery times which have relevant impact on...