Traffic problems in towns
Axhausen, Kay W.
- Working Paper
Travel behavior in urban areas has been widely analyzed from the demand side, while the extent to which the infrastructure imposes constraints on such travel behavior and leads to delays and congestion has almost never been studied. For car-based transportation, the recently developed theory of the macroscopic fundamental diagram (MFD) describes the relationship between the accumulation of vehicles and their trip ending rate as a function of the infrastructure, opening the door to new and meaningful studies that address the gap mentioned above. In this paper, we use empirical traffic data from 12 cities around the world to estimate their MFDs, compare them with respect to their functional behavior and the extent of delays, and explain the observed differences as a function of the network topology, e.g. intersection density, average betweeness. We find that the average betweenness centrality in a network seems to be a very clear indicator for the level of traffic performance. This indicates that it is indeed possible to use some topological features to predict traffic performance at the macroscopic level Show more
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Journal / seriesArbeitsberichte Verkehrs- und Raumplanung
PublisherIVT, ETH Zurich
SubjectMFD; Network topology; Traffic performance
Organisational unit03521 - Axhausen, Kay W. / Axhausen, Kay W.
08686 - Gruppe Strassenverkehrstechnik
02226 - NSL - Netzwerk Stadt und Landschaft / NSL - Network City and Landscape
02655 - Netzwerk Stadt und Landschaft D-ARCH
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Is previous version of: http://hdl.handle.net/20.500.11850/204599
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