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Towards a New Design Methodology for Vertical Traffic Calming Devices

Author

Listed:
  • Mauro D’Apuzzo

    (Department of Civil and Mechanical Engineering, University of Cassino and Southern Lazio, 03043 Cassino, Italy)

  • Azzurra Evangelisti

    (Department of Civil and Mechanical Engineering, University of Cassino and Southern Lazio, 03043 Cassino, Italy)

  • Daniela Santilli

    (Department of Civil and Mechanical Engineering, University of Cassino and Southern Lazio, 03043 Cassino, Italy)

  • Sofia Nardoianni

    (Department of Civil and Mechanical Engineering, University of Cassino and Southern Lazio, 03043 Cassino, Italy)

  • Giuseppe Cappelli

    (Department of Civil and Mechanical Engineering, University of Cassino and Southern Lazio, 03043 Cassino, Italy
    University School for Advanced Studies, IUSS, Piazza della Vittoria 15, 27100 Pavia, Italy)

  • Vittorio Nicolosi

    (Department of Enterprise Engineering “Mario Lucertini”, University of Rome “Tor Vergata”, Via del Politecnico 1, 00133 Rome, Italy)

Abstract

With increasing emphasis on new soft mobility in urban areas, it becomes more and more important to provide effective speed control measures for vehicular traffic. Among those, the ones based on vehicle vertical deflection, namely vertical traffic calming measures, are historically the most widespread. However, since the basic operating principle of these devices is related to the vertical dynamic response due to the interaction between the moving vehicle and the road profile, different vehicles may exhibit different speed behaviors when traveling on a specific road profile shape. As a matter of fact, recent research provided evidence of this connection, and therefore it has been worth investigating the dynamics underlying the phenomenon in order to develop a new approach to the design of vertical traffic calming devices. In this paper, following an initial state-of-the-art review, an in-depth study on the dynamic interaction between vehicle and road profile has been presented by means of an ad hoc-developed mathematical model. The proposed simulation model has been used to evaluate the root mean square acceleration value associated with each vehicle/traffic calming device/crossing speed. Following the outcomes provided by numerical simulations, an experimental investigation has been designed and carried out on a vertical traffic calming device. Speed profiles of different vehicles have been acquired, and preliminary results seem to provide evidence of a different dynamic response for each vehicle type, yielding the basis to reconsider the design approach of such devices in order to control urban traffic speed.

Suggested Citation

  • Mauro D’Apuzzo & Azzurra Evangelisti & Daniela Santilli & Sofia Nardoianni & Giuseppe Cappelli & Vittorio Nicolosi, 2023. "Towards a New Design Methodology for Vertical Traffic Calming Devices," Sustainability, MDPI, vol. 15(18), pages 1-17, September.
  • Handle: RePEc:gam:jsusta:v:15:y:2023:i:18:p:13381-:d:1234487
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    References listed on IDEAS

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    1. Maciej Kruszyna & Marta Matczuk-Pisarek, 2021. "The Effectiveness of Selected Devices to Reduce the Speed of Vehicles on Pedestrian Crossings," Sustainability, MDPI, vol. 13(17), pages 1-21, August.
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