Abstract
The urban mobility landscape is witnessing widespread changes with the emergence of several disruptive technologies including mobility-as-a-service and automated vehicles. The convergence of these two developments in the form of automated mobility-on-demand (AMoD) services (i.e., a system of shared driverless taxis) is receiving growing interest from industry, governments and researchers worldwide as a promising solution to meet mobility needs in the future in a sustainable manner. However, there is a large degree of uncertainty surrounding the potential adoption of these systems, and their impact on individual travel/activity patterns and the transportation system as a whole. In this context, this paper attempts to gain insights into behavioral preferences and attitudes towards AMoD through a novel context-aware app-based stated preferences survey conducted in Singapore. The SP survey leverages a state-of-the-art smartphone-based platform (Future Mobility Sensing) and its ability to collect revealed preference (RP) and contextual data. Logit mixture models accounting for inter-person heterogeneity and panel effects were estimated on a sample of 2500 observations from 350 respondents. The results indicate the presence of heterogeneity in the valuation of in-vehicle travel time and out-of-vehicle travel time and significant differences across demographic categories. An analysis of price elasticity of demand for AMoD indicates a higher elasticity for AMoD taxi followed by AMoD shared19 taxi and AMOD mini-bus. The importance of modeling inertia in switching from the currently used mode is also highlighted. The results have important policy implications and the models have applications within detailed activity-based microsimulation models to examine the impact of AMoD in future scenarios.
Original language | English |
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Title of host publication | The Transportation Research Board (TRB) 98th Annual Meeting, 2019 |
Place of Publication | Washington DC, USA |
Publisher | Transportation Research Board (TRB) |
Number of pages | 19 |
Publication status | Published - 2019 |
Event | Transportation Research Board 98th Annual Meeting - Walter E. Washington Convention Center, Washington D.C., United States Duration: 13 Jan 2019 → 17 Jan 2019 |
Conference
Conference | Transportation Research Board 98th Annual Meeting |
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Abbreviated title | TRB 2019 |
Country/Territory | United States |
City | Washington D.C. |
Period | 13/01/19 → 17/01/19 |