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Speed Management Strategies; A Systematic Review.
Homayoun Sadeghi-Bazargani1, Mohammad Saadati2
1Road Traffic Injury Research Center, Department of statistics and epidemiology, Tabriz University of Medical Sciences, Tabriz, Iran.
Bulletin of Emergency and Trauma
|August 20, 2016
Summary
This review identifies effective speed management strategies, including speed cameras and intelligent speed adaptation (ISA), which significantly reduce vehicle speeds and accident rates. Political support and road characteristics influence strategy selection for optimal road safety.
Area of Science:
- Road safety research
- Traffic engineering
- Public health
Background:
- Speeding is a major contributor to road traffic accidents.
- Effective speed management is crucial for enhancing road safety and reducing fatalities.
- A comprehensive understanding of various speed management strategies and their impact is needed.
Purpose of the Study:
- To systematically identify and evaluate the effectiveness of diverse speed management strategies.
- To analyze the impact of these strategies on vehicle speeds and accident reduction.
Main Methods:
- A systematic literature search was conducted across major databases (Science Direct, Ovid Medline, Scopus, PubMed, ProQuest) from April to June 2015.
- Included articles published after 1990 reporting on the efficacy of speed management strategies.
- Data extraction focused on strategy type, effects on speed, and accident reduction.
Main Results:
- Twenty-two articles were included, predominantly from European countries using before-after study designs.
- Common strategies include speed cameras, engineering schemes, intelligent speed adaptation (ISA), speed limits/zones, and vehicle-activated signs.
- Strategies reduced mean vehicle speeds by 1.6–10 km/h, with reported reductions of 8–65% in injured person accidents and 11–71% in fatal accidents.
Conclusions:
- Various speed management strategies demonstrate positive effects on road safety.
- Strategy selection depends on road characteristics, driver attitudes, economic factors, and technological capabilities.
- Political support is a key determinant for implementing effective speed management strategies.
