lect9 - PASSENGER TRANSPORT OUTLINE Hierarchy of choices...

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Nigel H.M. Wilson 1.201, Fall 2006 1 Lecture 9 PASSENGER TRANSPORT OUTLINE Hierarchy of choices Level of service attributes Estimating the Transfer Penalty * Modeling issues -- data availability -- logit revisited * Guo, Z and N.H.M. Wilson, "Assessment of the Transfer Penalty for Transit Trips: A GIS-based Disaggregate Modeling Approach." Transportation Research Record 1872, pp 10-18 (2004).
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Nigel H.M. Wilson 1.201, Fall 2006 2 Lecture 9 HIERARCHY OF CHOICES A. Long-Term Decisions: made infrequently by any household • where to live • where to work Transport is one component of these choices Transport is one component of these choices B. Medium-Term Decisions • household vehicle ownership • mode for journey to work Transport is central to these choices Transport is central to these choices C. Short-Term Decisions • daily activity and travel choices: What, where, when, for how long, and in what order, by which mode and route Transport is important for these choices Transport is important for these choices
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Nigel H.M. Wilson 1.201, Fall 2006 3 Lecture 9 LEVEL OF SERVICE ATTRIBUTES A. Important but hard to quantify: flexibility privacy status enjoyment/happiness/well-being •c o m f o r
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Nigel H.M. Wilson 1.201, Fall 2006 4 Lecture 9 LEVEL OF SERVICE ATTRIBUTES B. Important but easier to quantify: travel time wait time in-vehicle time walk time transfers •c o s t
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Nigel H.M. Wilson 1.201, Fall 2006 5 Lecture 9 LEVEL OF SERVICE ATTRIBUTES Difficulties: differences in values among individuals objective measures may differ from perceptions tendency to focus on what can be measured hard to appraise reactions to a very different alternative
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Nigel H.M. Wilson 1.201, Fall 2006 6 Lecture 9 ASSESSING THE TRANSFER PENALTY: A GIS-BASED DISAGGREGATE MODELING APPROACH Outline Objectives Prior Research Modeling Approach Data Issues Model Specifications Analysis and Interpretation Conclusions Source: Guo, Z and N.H.M. Wilson, "Assessment of the Transfer Penalty for Transit Trips: A GIS- based Disaggregate Modeling Approach." Transportation Research Record 1872, pp 10-18 (2004).
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Nigel H.M. Wilson 1.201, Fall 2006 7 Lecture 9 OBJECTIVES Improve our understanding of how transfers affect behavior Estimate the impact of each variable characterizing a transfer Identify transfer attributes which can be improved cost-effectively
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Nigel H.M. Wilson 1.201, Fall 2006 8 Lecture 9 PREVIOUS TRANSFER PENALTY RESULTS Previous Studies Variables in the Utility Function Transfer Types (Model Structure) Transfer Penalty Equivalence Alger et al, 1971 Stockholm Walking time to stop Initial waiting time Transit in-vehicle time Transit cost Subway-to-Subway Rail-to-Rail Bus-to-Rail Bus-to-Bus 4.4 minutes in-vehicle time 14.8 minutes in-vehicle time 23.0 minutes in-vehicle time 49.5 minutes in-vehicle time Han, 1987 Taipei, Taiwan
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This note was uploaded on 12/04/2011 for the course ESD 1.210j taught by Professor Mosheben-akiva during the Fall '08 term at MIT.

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lect9 - PASSENGER TRANSPORT OUTLINE Hierarchy of choices...

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