The Traffic and Behavioral Effects of the I-35W Mississippi River Bridge Collapse
Transportation Research Part A, Vol. 44, No. 10, pp. 771-784, December 2010
37 Pages Posted: 7 Jan 2011 Last revised: 22 Jan 2011
Date Written: July 6, 2010
Abstract
On August 1, 2007, the collapse of the I-35W bridge over the Mississippi River in Minneapolis abruptly interrupted the usual route of about 140,000 daily vehicle trips, which substantially disturbed regular traffic flow patterns on the network. It took several weeks for the network to re-equilibrate, during which period, travelers continued to learn and adjust their travel decisions. A good understanding of this process is crucial for traffic management and the design of mitigation schemes. Data from loop detectors, bus ridership statistics, and a survey are analyzed and compared reveal the evolving traffic reactions to the bridge collapse and how individual choices could help to explain such dynamics. Findings on short-term traffic dynamics and behavioral reactions to this major network disruption have important implications for traffic management in response to future scenarios.
Keywords: I-35W bridge collapse, travel behavior, travel survey
JEL Classification: R41, R40
Suggested Citation: Suggested Citation
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