Are travelers substituting between transportation network companies (TNC) and public buses? A case study in Pittsburgh

Rick Grahn, Sean Qian (), H. Scott Matthews and Chris Hendrickson
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Rick Grahn: Carnegie Mellon University
Sean Qian: Carnegie Mellon University
H. Scott Matthews: Carnegie Mellon University
Chris Hendrickson: Carnegie Mellon University

Transportation, 2021, vol. 48, issue 2, No 19, 977-1005

Abstract: Abstract Transportation network companies (TNC) provide mobility services that are influencing travel behavior in unknown ways due to limited TNC trip-level data. How they interact with other modes of transportation can have direct societal impacts, prompting appropriate policy intervention. This paper outlines a method to inform such policies through a data-driven approach that specifically analyzes the interaction between TNCs and bus services in Pittsburgh, PA. Uber surge multiplier data is used over a 6-month time period to approximate TNC usage (i.e., demand over supply ratio) for ten predefined points of interest throughout the city. Bus boarding data near each point of interest is used to relate TNC usage. Data from multiple sources (weather, traffic speed data, bus levels of service) are used to control for conditions that influence bus ridership. We find significant changes in bus boardings during periods of unusually high TNC usage at four locations during the evening hours. The remaining six locations observe no significant change in bus boardings. We find that the presence of a dedicated bus way transit station or a nearby university (or dense commercial zones in general) both influence ad-hoc substitutional behavior between TNCs and public transit. We also find that this behavior varies by location and time of day. This finding is significant and important for targeted policies that improve transportation network efficiency.

Keywords: Transportation network companies (TNC); Ride hailing; Shared mobility; Travel behavior; Uber; Lyft (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (6)

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DOI: 10.1007/s11116-020-10081-4

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