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Active Signage of Pedestrian Crossings as a Tool in Road Safety Management

Author

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  • Piotr Szagała

    (Faculty of Civil Engineering, Warsaw University of Technology, al. Armii Ludowej 16, 00-637 Warsaw, Poland)

  • Piotr Olszewski

    (Faculty of Civil Engineering, Warsaw University of Technology, al. Armii Ludowej 16, 00-637 Warsaw, Poland)

  • Witold Czajewski

    (Faculty of Electrical Engineering, Warsaw University of Technology, pl. Politechniki 1, 00-661 Warsaw, Poland)

  • Paweł Dąbkowski

    (Faculty of Civil Engineering, Warsaw University of Technology, al. Armii Ludowej 16, 00-637 Warsaw, Poland)

Abstract

The main objective of the study was to verify the effectiveness of active pedestrian crossings equipped with flashing lights activated automatically by detected pedestrians. A pilot study was conducted in two sites, where speed profiles of vehicles over the distance of 30 m before the crossing were analyzed. The study produced promising results in terms of reducing vehicle speeds so the next study investigated four other unsignalized pedestrian crossings. They were video-recorded for 48 h each, before, after and a year after installation. The ANOVA test was used to check the statistical significance of changes in selected indicators. Even after a year from the installation, the effect of the active signage remained significant. The average percentage of drivers yielding to pedestrians was 77.4% higher and the average waiting time 25.2% lower than before the installation. The average speeds of vehicles were 3.53 km/h lower on collector and 2.60 km/h lower on arterial streets. A decline in the probability of a pedestrian being killed or severely injured (KSI) ranged from 6.3 pp (9.4%) on the arterial streets immediately after the installation up to 12.9 pp (31.7%) on the collector streets one year after.

Suggested Citation

  • Piotr Szagała & Piotr Olszewski & Witold Czajewski & Paweł Dąbkowski, 2021. "Active Signage of Pedestrian Crossings as a Tool in Road Safety Management," Sustainability, MDPI, vol. 13(16), pages 1-13, August.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:16:p:9405-:d:619135
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    References listed on IDEAS

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    1. Irena Ištoka Otković & Aleksandra Deluka-Tibljaš & Sanja Šurdonja & Tiziana Campisi, 2021. "Development of Models for Children—Pedestrian Crossing Speed at Signalized Crosswalks," Sustainability, MDPI, vol. 13(2), pages 1-18, January.
    2. Manze Guo & Zhenzhou Yuan & Bruce Janson & Yongxin Peng & Yang Yang & Wencheng Wang, 2021. "Older Pedestrian Traffic Crashes Severity Analysis Based on an Emerging Machine Learning XGBoost," Sustainability, MDPI, vol. 13(2), pages 1-26, January.
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    Cited by:

    1. Heriberto Pérez-Acebo & Robert Ziolkowski & Hernán Gonzalo-Orden, 2021. "Evaluation of the Radar Speed Cameras and Panels Indicating the Vehicles’ Speed as Traffic Calming Measures (TCM) in Short Length Urban Areas Located along Rural Roads," Energies, MDPI, vol. 14(23), pages 1-17, December.

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