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国际学术期刊
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国际学术期刊
Unraveling the relationship between trip chaining and mode choice: evidence from a multi-week travel diary
发布时间:2012-6-713:58:24来源:作者:Md. Tazul Islam & Khandker M. Nurul Habib   

DOI: 
10.1080/03081060.2012.680812
Md. Tazul Islama & Khandker M. Nurul Habibb* 

pages 409-426
Available online: 21 May 2012

Keywords
travel demand modeling, activity scheduling decisions, trip chaining, mode choice, travel diary, structural equation modeling

Abstract
Trip chaining (or tours) and mode choice are two critical factors influencing a variety of patterns of urban travel demand. This paper investigates the hierarchical relationship between these two sets of decisions including the influences of socio-demographic characteristics on them. It uses a 6-week travel diary collected in Thurgau, Switzerland, in 2003. The structural equation modeling technique is applied to identify the hierarchical relationship. Hierarchy and temporal consistency of the relationship is investigated separately for work versus non-work tours. It becomes clear that for work tours in weekdays, trip-chaining and mode choice decisions are simultaneous and remain consistent across the weeks. For non-work tours in weekdays, mode choice decisions precede trip-chaining decisions. However, for non-work tours in weekends, trip-chaining decisions precede mode choice decisions. A number of socioeconomic characteristics also play major roles in influencing the relationships. Results of the investigation challenge the traditional approach of modeling mode choice separately from activity-scheduling decisions.


 

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