01657862

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From the urban travel demand management perspective, carpools and/or vanpools are often regarded as effective ways to reduce traffic congestion during peak periods. However, because high-occupancy-vehicle (HOV) lanes are not popular in Taiwan’s urban highway systems, carpooling is currently not among the major demand management strategies adopted in Taiwan. This paper aims to assess the quality of existing carpooling services and the effectiveness of HOV lanes for promoting carpooling among daily commuters in the Taiwan urban area. We collected network questionnaire survey data from two of the major carpool-matching websites, i.e., the Green Carpool Network and the BBS board, to measure the differences between expected and perceived service quality and to identify the behavioral changes before and after the freeway HOV lanes’ opening. By applying structural equation modeling to investigate the factors affecting carpooling, we find that the gaps between expectation and perception are significant in all four facets of service attributes that affect the satisfaction ratings of carpool practices among daily commuters. Furthermore, by analyzing carpooling behavioral changes after the introduction of HOV lanes, we find that saving travel expenses and travel time are not the main reasons why commuters join carpooling practices.

This paper was sponsored by TRB committee ABE50 Standing Committee on Transportation Demand Management.

18-02351

English

6p

2018

Transportation Research Board 97th Annual Meeting

Digital/other

Figures; Tables

Carpools; High occupancy vehicle lanes; Quality of service; Travel demand management; Urban transportation; Value of time

Taiwan

Highways; Operations and Traffic Management; Public Transportation

Transportation Research Board Annual Meeting 2018 Paper #18-02351

TRIS, TRB, ATRI

Jan 8 2018 10:34AM