Shared Micromobility as a First- and Last-Mile Transit Solution? Spatiotemporal Insights from a Novel Dataset: Article No. 103778

Zehui Yin, Greg Rybarczyk, Anran Zheng, Lin Su, Bingrong Sun, Xiang Yan

Research output: Contribution to journalArticlepeer-review

Abstract

The first- and last-mile (FM/LM) problem is a major deterrent to public transit use. With the rise of shared micromobility options such as shared e-scooters in recent years, there is a growing interest in understanding their potential to serve as a last-mile transit solution. However, empirical data regarding the integrated use of shared micromobility and public transit have been limited so far. As a result, much is unknown regarding the spatiotemporal patterns and characteristics of shared micromobility trips serving as an FM/LM connection to transit. This paper addresses these knowledge gaps by leveraging a novel dataset (i.e., the Spin post-ride survey dataset) that records thousands of transit-connecting shared e-scooter trips in Washington DC. Specifically, we used the dataset to reveal the spatiotemporal patterns of transit-connecting shared e-scooter trips in Washington DC, resulting in some major policy insights regarding the integral use of shared e-scooters and public transit. We further leveraged the dataset to validate if and to what extent a commonly applied buffer-zone approach can infer FM/LM micromobility trips accurately. Statistical tests showed that the actual FM/LM Spin e-scooter trips differ from inferred FM/LM Spin e-scooter trips in both spatial and temporal dimensions. This indicates that the common practice of inferring FM/LM micromobility trips with a buffer-zone approach can lead to inaccurate estimates of transit-connecting micromobility trips.
Original languageAmerican English
Number of pages11
JournalJournal of Transport Geography
Volume114
DOIs
StatePublished - 2024

NREL Publication Number

  • NREL/JA-5400-88320

Keywords

  • e-scooter
  • last-mile problem
  • micromobility
  • public transit
  • spatiotemporal analysis

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