Effectiveness of a Series of Road Humps on Home Zone Streets: A Case Study

Stanisław Majer () and Alicja Sołowczuk
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Stanisław Majer: Department of Construction and Road Engineering, West Pomeranian University of Technology in Szczecin, 70-310 Szczecin, Poland
Alicja Sołowczuk: Department of Construction and Road Engineering, West Pomeranian University of Technology in Szczecin, 70-310 Szczecin, Poland

Sustainability, 2025, vol. 17, issue 2, 1-27

Abstract: Traffic calming measures are implemented more and more often in residential districts as part of home zone sustainability projects. For economic reasons, road humps are the most commonly used traffic calming measures to slow down the traffic within the home zone. Prefabricated units or concrete pavers are the materials of choice for their construction. The studies carried out so far on many different road hump types covered the effect of height, approach/departure ramp inclination(s), and intervals between successive humps on the final speed and the safety of road traffic. The impacts of braking before and acceleration after passing a hump on the pavement and the effect of the associated shocks on the riding comfort of both drivers and passengers and vehicle suspension were also investigated. What is missing in the available literature is information on the slowing effect of road humps depending on the longitudinal gradient of the street and the street’s landscaping. This article is intended to fill this gap by presenting the results of speed surveys carried out on three selected two-way streets located in home zones with different longitudinal gradients and a few humps of different designs that are placed at different intervals. Speeds were measured both before and after each of the successive humps. The “after” speeds were found to depend not only on the hump type and parameters but also on the direction of travel, vertical alignment of the street, parking location, and orientation of the parking space relative to the road axis.

Keywords: home zone; speed; traffic calming; speed table; speed hump; street landscaping (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2025
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