Journal
SUSTAINABILITY
Volume 14, Issue 15, Pages -Publisher
MDPI
DOI: 10.3390/su14159127
Keywords
shared mobility; sustainable transportation; revealed preference; stated choice experiment; discrete choice model; Bangkok
Funding
- Program Management Unit for Human Resources & Institutional Development, Research and Innovation, Chulalongkorn University (CU), Thailand [G_B16F630071_0102_01_14 (5-25)]
- German Research Foundation
- Open Access Publication Fund of TU Berlin
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Individual motorized vehicles in urban environments are oversupplied and inefficient, but shared mobility offers a more efficient use of vehicles. Commuters value time and fuel costs, but dislike walking, waiting, and searching for parking. Shared taxis have the potential to be used as a door-to-door mode of transportation.
Individual motorized vehicles in urban environments are inefficiently oversupplied both from the perspective of transport system efficiency and from the perspective of local and global environmental externalities. Shared mobility offers the promise of more efficient use of four-wheeler vehicles, while maintaining flexible routing. Here, we aim to understand the travel mode choices of commuters in Bangkok and explore the potential demand for shared mobility through examining both revealed and stated choices, based on our survey (n = 1239) and a systematic comparison of mode choice situations. Our multinomial logistic regression analysis indicates that commuters value time in their vehicles and accept fuel costs, but that they dislike wasting time walking, waiting, and searching for parking or pay for road use and parking. Our model results imply that shared taxi has a higher chance of being used as a door-to-door mode rather than as a competitor to motorcycle taxis as a feeder to the metro stations. Ride sharing gains substantial potential when private motorized cars are charged with the social external costs they cause via congestion charges and parking fees. Replacing cars with shared taxis as the daily choice for those living in detached houses will result in a 24-36% reduction of car trips on Bangkok roads.
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