Case study of a low-velocity pedestrian accident

Koji Mizuno, Sota Yamamoto, Kazuya Iwata, Masahito Hitosugi

Research output: Contribution to journalArticlepeer-review


A case study of a minitruck-to-pedestrian accident is presented in which the pedestrian was impacted by the minitruck’s corner at a low velocity. Although the pedestrian was struck on his back, he landed on his back on the ground. There were two arc-shaped sites of subcutaneous haemorrhage indicated on his back. On the basis of an animal experiment, it was shown that haemorrhage in the soft tissue depends on the impactor shape. By detailed examination of the subcutaneous haemorrhage sites on the pedestrian’s back, the markings reflected the shape and dimensions of the truck’s windshield wiper. A mathematical simulation and an experiment involving a minitruck collision into a pedestrian dummy were conducted to determine the kinematics when a pedestrian is impacted by the corner of a truck. It was shown that the pedestrian rotated around his vertical axis according to the curvature of the truck corner. Although this is a case study, this accident provides useful knowledge for research on vehicle-pedestrian collisions.

Original languageEnglish
Pages (from-to)316-329
Number of pages14
JournalInternational Journal of Vehicle Safety
Issue number4
Publication statusPublished - 2006
Externally publishedYes


  • accident reconstruction
  • injury
  • kinematics
  • pedestrian accident

ASJC Scopus subject areas

  • Automotive Engineering


Dive into the research topics of 'Case study of a low-velocity pedestrian accident'. Together they form a unique fingerprint.

Cite this