期刊
TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT
卷 97, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.trd.2021.102877
关键词
Shared e-scooter; Micro-mobility; Public transit; Spatial-temporal analysis; Difference-in-differences model
资金
- Joint Transportation Research Program
The study proposed a modeling framework to investigate the potential impacts of shared e-scooter trips on existing bus systems, showing that competing trips could lead to a reduction in bus ridership, while complementary trips mainly occur in areas with limited bus coverage.
Shared e-scooter systems have been growing rapidly in many cities as a potential sustainable transportation mode. However, whether shared e-scooters compete with or complement existing public transportation is still unclear. This study proposes a modeling framework to identify the potential impacts of e-scooter trips on the existing bus system, considering the spatiotemporal availability of bus service. The impact of the potentially competing trips on transit ridership can then be verified using Difference-in-Differences models. The framework is applied to Indianapolis, Indiana as a case study. Our results show that about 27% of e-scooter trips could potentially compete with bus system and they are concentrated in downtown. The potential competing relationship can also lead to a bus ridership reduction. The complementary trips (29%) are mainly located outside of downtown where the bus coverage is low. Repositioning e-scooters to areas with limited bus service can better promote synergistic relationship between the two systems.
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