The vulnerability of road networks

Now and in the future

Conference paper (2008)
Department
Transport en Planning (CEG) (TU Delft)
Copyright: TRAIL Research School
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Published Date

31-10-2008

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Source:

10th TRAIL Congress: TRAIL in Perspective, October 2008

Faculty

Civil Engineering and Geosciences

Department

Transport en Planning

Abstract

Transport networks in major urban areas are becoming more and more vulnerable to unforeseen disturbances in transport networks, like incidents. For the near future, we expect an increasing number of incidents with a large impact due to the overall increase of the traffic load. In this paper the hypothesis is tested that, if no measures are taken, the impact of incidents increases in the future and, therefore, the vulnerability of the road network increases. It is shown that the current network of the area The Hague-Rotterdam in the Netherlands is already vulnerable. If the demand increases, the increase in total travel time is more than linear with the increase in demand in the situation without an incident. The impact of incidents also increases when the level of demand increases. This results in the overall conclusion that it is necessary to make the road network more robust.

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