Kathleen Harder

Weighting Waiting Evaluating Perception of In-Vehicle Travel Time Under Moving and Stopped Conditions (2009)

David Levinson, Kathleen Harder, John Bloomfield, Kasia Winiarczyk, Deceased D. Levinson, ...

Experiments are described in which traditional computer-administered stated-preference (SP) data are compared with virtual experience SP data to ascertain how people value stopped delay compared with...

The traffic and behavioral effects of the I-35W Mississippi River bridge collapse (2008)

Shanjiang Zhu, David Levinson, Henry Liu, Kathleen Harder

The collapse, on August 1, 2007, of the I-35W bridge over the Mississippi River in Minneapolis, abruptly interrupted the usual route of about 140,000 daily vehicle trips and substantially disturbed...

Waiting Tolerance: Ramp Delay vs. Freeway Congestion

David Levinson, Kathleen Harder, John Bloomfield, Kathy Carlson

Waiting tolerance at ramp meters and travel time on the freewaywere measured using a computer administered stated preference (CASP) survey and a virtual experience stated preference (VESP)...

Weighting Waiting: Evaluating the Perception of In-Vehicle Travel Time Under Moving and Stopped Conditions

David Levinson, Kathleen Harder, John Bloomfield, Kasia Winiarczyk

This paper describes experiments comparing traditional computer administered stated preference with virtual experience stated preference to ascertain how people value stopped delay compared with...

The traffic and behavioral effects of the I-35W Mississippi River bridge collapse

Shanjiang Zhu, David Levinson, Henry Liu, Kathleen Harder

The collapse, on August 1, 2007, of the I-35W bridge over the Mississippi River in Minneapolis, abruptly interrupted the usual route of about 140,000 daily vehicle trips and substantially disturbed...