Towards a metropolitan fundamental diagram using travel survey data

Kai Wang, David M. Levinson

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


Using travel diary data from 2000-2001 and 2010-2012 this research examines fundamental traffic relationships at the metropolitan level. The results of this paper can help to explain the causes of some traffic phenomena. Network average speed by time of day can be explained by trip length and cumulative number of vehicles on the road. A clockwise hysteresis loop is found in the Metropolitan Fundamental Diagram in the morning period and a reverse process happens in the afternoon.

Original languageEnglish (US)
Article numbere0148660
JournalPloS one
Issue number2
StatePublished - Feb 2016

Bibliographical note

Funding Information:
The authors would like to thank HongZhi Guan, and funding from the National Basic Research Program of China (No. 2012CB725403) and the National Natural Science Foundation of China (Grant No.51338008 and 51378036). This work was conducted while Kai Wang was a Visiting Scholar at the University of Minnesota, Department of Civil, Environmental, and Geo- Engineering. The authors would like to thank Andrew Owen for the guidance of OpenTripPlanner’s application. The authors also thank Jessica Schoner for help on ArcGIS during Kai’s stay at the University of Minnesota, where this work was conducted. We would like to acknowledge comments from Mohsen Ramezani and Nikolas Geroliminis on an earlier draft of the work.

Publisher Copyright:
© 2016 Wang, Levinson. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


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