An Affordable Tool Based on a Pedestrian-Vehicle Collision Model to Support the Fieldwork and Reconstruction

Ezequiel Martínez; Juan Pablo Vargas; Alejandra Baena

doi:10.4271/2022-01-5058

A free access tool based on a pedestrian-vehicle collision model is presented. The model allows for the qualitative and quantitative description of the entire dynamics of an event through pre-collision, collision, and post-collision segments. Furthermore, it enabled the determination of the magnitude of the initial speed of the vehicle before collision with a pedestrian and the location of the point of impact on the road where the accident occurred. The model inputs correlate to evidence collected at the scene, providing a platform checklist to assist investigators in their fieldwork. Additionally, the pre-collision segment allowed the investigators to develop an avoidability study to evaluate road safety.

The model was validated by comparing the results with experimental cases developed with dummies, bodies, and reconstructed cases using statistical methods. It is shown that there is no significant difference, thus verifying its functionality. In addition, the tool is available as a mobile application (app) in Spanish and English, providing important affordability to investigators from some low- and middle-income countries.

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An Affordable Tool Based on a Pedestrian-Vehicle Collision Model to Support the Fieldwork and Reconstruction 2022-01-5058

SAE MOBILUS