期刊
TRANSPORTATION RESEARCH PART A-POLICY AND PRACTICE
卷 41, 期 5, 页码 428-443出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tra.2006.09.006
关键词
stated choice; multi-modal travel demand; nested logit; CAPI survey
This paper uses state of the art stated choice designs to parameterise modal choice models for commuting and non-commuting travel futures in the presence of new public transport infrastructure (variations of new heavy rail, light rail and dedicated busway systems). D-optimal choice experiments are developed for a set of labelled modal alternatives in which respondents establish a reference benchmark based on the existing service levels (for access, linehaul and egress trip legs) which is used in a computer aided personal interview instrument to generate future scenarios of service levels for current and prospective new modals options. We show that a fully integrated stated choice experiment provides all the information required to obtain behaviourally relevant parameter estimates (within a nested logit framework) for all but the mode-specific constants (MSCs). The MSCs can be calibrated for the current modes within a network model setting, giving the transport planner an appropriate model for predicting the patronage potential for proposed new public transport infrastructure services. A useful by-product is a new set of behavioural values of travel time savings for access, egress, linehaul and wait times. (c) 2006 Elsevier Ltd. All rights reserved.
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