Planning of Speed Bumps

Additional Articles and Studies

Article/Study Title: Planning of Speed Bumps

Authors: Eng. Ran Zilberstein – Amy Metom Engineers & Consultants, Ltd.;Dr. Victoria Gitelman – The Technion Israel Institute of Technology;Prof. Shalom Hakkert – The Technion Israel Institute of Technology;Ms. Chen Sasson – Amy Metom Engineers & Consultants, Ltd.

Client: Ministry of Transportation

Abstract: Speed bumps on roadways constitute an efficient and common means of moderating travel speeds of vehicles and thereby contribute to an improvement in safety. This safety measure is principally applied on residential streets and near public institutions designed for sensitive population groups from the safety standpoint such as schools, youth sports and recreation centers, and senior citizens activity centers. Speed bumps are raised areas above the pavement surface installed across the roadway that constitute a geometric means to lower travel speeds. Speed bumps built from raised pavement may be comprised of asphalt, concrete, rubber or interlocking paving stones. The advantage of speed bumps is in self-enforcement and the creation of the visual impression that the street is not intended for excessive speed or through traffic. The installation of speed bumps may have one of two purposes: Lowering of travel speed along a road section or area Spot deceleration in special locations such as next to the pedestrian crosswalks, next to schools and when approaching an intersection. There is a direct relationship between lowered travel speeds and the safety of roadway users and, in particular, pedestrians. Moreover, speed bumps sometimes reduce traffic volumes on streets in which they are installed due to redirection of traffic from other roadways, particularly when the street where they are installed was used in the past as a shortcut, bypass or carrier of excess traffic from a nearby arterial or collector street. This use also serves residents in that it contributes both to roadway safety and to environmental quality on neighborhood streets. In all cases, it needs to be verified that the deceleration process will in itself be safe and will not cause damage to vehicles.

Link to the Full Article/Study: Link

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