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E-Scooter safety: The riding risk analysis based on mobile sensing data.

Qingyu Ma1, Hong Yang1, Alan Mayhue1

  • 1Department of Computational Modeling and Simulation Engineering, Old Dominion University, Norfolk, VA 23529, USA.

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Summary

Shared electric scooters (E-scooters) face safety challenges due to increased vibrations and proximity risks. This study used naturalistic riding experiments to analyze E-scooter safety in diverse urban environments.

Keywords:
E-Scooter safetyElectric scootersMicro-mobilityMobile sensingNaturalistic ridingRiding risk

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Area of Science:

  • Urban mobility and transportation safety
  • Micromobility research
  • Road safety engineering

Background:

  • Shared electric scooters (E-scooters) are a growing urban transportation mode.
  • Safety concerns and crashes have led to E-scooter bans in some cities.
  • E-scooter safety is understudied compared to cars and bicycles, with limited crash data.

Purpose of the Study:

  • To investigate the safety risks associated with E-scooter riding.
  • To analyze the interactions between E-scooter use and various environmental settings.
  • To quantify surrogate safety metrics through naturalistic riding experiments.

Main Methods:

  • Conducted naturalistic riding experiments to observe E-scooter use in real-world conditions.
  • Developed a mobile sensing system to collect data on vibrations, speed changes, and proximity.
  • Focused on riding circumstances rather than individual rider behavior or characteristics.

Main Results:

  • E-scooters experienced significant vibrations across different facilities compared to bicycles.
  • Concrete pavements resulted in a higher frequency of vibration events than asphalt.
  • Riding on sidewalks and vehicle lanes led to frequent close proximity encounters with other objects.

Conclusions:

  • E-scooter riding presents increased safety challenges due to environmental factors.
  • Higher vibrations, speed variations, and confined spaces contribute to E-scooter risks.
  • Further research is needed to understand and mitigate E-scooter safety issues.