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How do individuals adapt their personal travel? Objective and subjective influences on the consideration of travel-related strategies for San Francisco Bay Area commuters

Listed author(s):
  • Cao, Xinyu
  • Mokhtarian, Patricia L.

This study operationalizes the conceptual analysis presented in a companion paper, to examine the effects of objective and subjective variables on the consideration of 16 travel-related strategies reflecting a range of individuals’ potential reactions to congestion. Using 1283 commuting respondents to a 1998 survey conducted in the San Francisco Bay Area, binary logit models were developed for the consideration of each individual strategy. The proportion of information explained by these models ranges from 0.18 to 0.63. It was found that the consideration of travel-related strategies is affected not only by the amounts of travel that individuals actually do, but also by their subjective assessments, desires and affinities with respect to travel, as well as their travel attitudes, personality and lifestyle. The previous adoption of these strategies greatly affects their current consideration, demonstrating an effect of past experience. Mobility constraints and socioeconomic and demographic characteristics exhibit distributional effects with respect to the options individuals consider. These findings imply that policies designed to alleviate congestion may be less effective than expected, because individuals’ responses to the travel-related strategies analyzed here—many of them directly tied to public policies intended to reduce vehicle travel—are influenced by a large variety of qualitative and experiential variables that are seldom measured and incorporated into demand models. Therefore, understanding the role of such variables will improve our ability to design effective policies and to accurately forecast the response to policy interventions as well as natural trends.

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Paper provided by University of California Transportation Center in its series University of California Transportation Center, Working Papers with number qt45k3391f.

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Date of creation: 01 May 2005
Handle: RePEc:cdl:uctcwp:qt45k3391f
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  1. Salomon, Ilan & Mokhtarian, Patricia L., 1997. "Coping with Congestion: Understanding the Gap Between Policy Assumptions and Behavior," University of California Transportation Center, Working Papers qt4bh3b670, University of California Transportation Center.
  2. Cullinane, Sharon, 1992. "Attitudes towards the car in the U.K.: Some implications for policies on congestion and the environment," Transportation Research Part A: Policy and Practice, Elsevier, vol. 26(4), pages 291-301, July.
  3. Choo, Sangho & Collantes, Gustavo O. & Mokhtarian, Patricia L., 2004. "Wanting to Travel, More or Less: Exploring the Determinants of the Deficit and Surfeit of Personal Travel," University of California Transportation Center, Working Papers qt0r98m33v, University of California Transportation Center.
  4. Arentze, Theo & Hofman, Frank & Timmermans, Harry, 2004. "Predicting multi-faceted activity-travel adjustment strategies in response to possible congestion pricing scenarios using an Internet-based stated adaptation experiment," Transport Policy, Elsevier, vol. 11(1), pages 31-41, January.
  5. Clay, Michael J. & Mokhtarian, Patricia L., 2004. "Personal Travel Management: The Adoption and Consideration of Travel-Related Strategies," University of California Transportation Center, Working Papers qt3mw6d5hj, University of California Transportation Center.
  6. Cao, Xinyu & Mokhtarian, Patricia L., 2005. "How do individuals adapt their personal travel? A conceptual exploration of the consideration of travel-related strategies," Transport Policy, Elsevier, vol. 12(3), pages 199-206, May.
  7. Eric Hildebrand, 2003. "Dimensions in elderly travel behaviour: A simplified activity-based model using lifestyle clusters," Transportation, Springer, vol. 30(3), pages 285-306, August.
  8. Mokhtarian, Patricia L & Salomon, Ilan & S, Lothlorien, 2001. "Understanding the Demand for Travel: It's Not Purely 'Derived'," University of California Transportation Center, Working Papers qt5bh2d8mh, University of California Transportation Center.
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