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Evaluating Pedestrians’ Safety on Urban Intersections: A Visibility Analysis

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  • Keila González-Gómez

    (Departamento de Ingeniería del Transporte, Territorio y Urbanismo, Universidad Politécnica de Madrid, 28040 Madrid, Spain)

  • María Castro

    (Departamento de Ingeniería del Transporte, Territorio y Urbanismo, Universidad Politécnica de Madrid, 28040 Madrid, Spain)

Abstract

Overall visibility plays a key role in the safety of pedestrians. Despite its importance, verifying the right provisioning of sufficient available sight distances among pedestrians and vulnerable road users (VRUs) is not a prevalent practice. On top of that, the pursuit for more sustainable modes of transportation has promoted the establishment of different shared mobility services which are prone to increase walking and, thus, the number of pedestrians and other VRUs in urban settings. With the intention of verifying how car-centered designs perform for non-motorized users, a 3D procedure that evaluates the visibility of pedestrians and other users is presented and applied to specific cases in Madrid, Spain. The proposed solution employs virtual trajectories of pedestrians with mobility impairments and without them, cyclists, and personal transportation device riders. Their visibility was assessed around the functional area of urban intersections, including zones where possible jaywalking practices might occur. The evaluation was performed three-dimensionally, making use of LiDAR data, GIS tools, and 3D objects. Results show the impact of street furniture location on visibility, the distinctive influence of vegetation on the lines of sight of each observer, and how design parameters that were intended to improve motorized traffic could affect VRU.

Suggested Citation

  • Keila González-Gómez & María Castro, 2019. "Evaluating Pedestrians’ Safety on Urban Intersections: A Visibility Analysis," Sustainability, MDPI, vol. 11(23), pages 1-16, November.
    • Handle: RePEc:gam:jsusta:v:11:y:2019:i:23:p:6630-:d:290249
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    References listed on IDEAS

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    1. Manuel Rey-Moreno & Rafael Periáñez-Cristóbal & Arturo Calvo-Mora, 2022. "Reflections on Sustainable Urban Mobility, Mobility as a Service (MaaS) and Adoption Models," IJERPH, MDPI, vol. 20(1), pages 1-14, December.
    2. Jiayu Huang & Ziyi Song & Linlin Xie & Zeting Lin & Liping Li, 2023. "Analysis of Risky Riding Behavior Characteristics of the Related Road Traffic Injuries of Electric Bicycle Riders," IJERPH, MDPI, vol. 20(7), pages 1-12, March.
    3. Matteo della Mura & Serena Failla & Nicolò Gori & Alfonso Micucci & Filippo Paganelli, 2022. "E-Scooter Presence in Urban Areas: Are Consistent Rules, Paying Attention and Smooth Infrastructure Enough for Safety?," Sustainability, MDPI, vol. 14(21), pages 1-36, November.

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