Investigation of the impact of low cost traffic engineering measures on road safety in urban areas - PubMed

Investigation of the impact of low cost traffic engineering measures on road safety in urban areas

George Yannis et al. Int J Inj Contr Saf Promot. 2014.

Abstract

This paper investigates the impact of low cost traffic engineering measures (LCTEMs) on the improvement of road safety in urban areas. A number of such measures were considered, such as speed humps, woonerfs, raised intersections and other traffic calming measures, which have been implemented on one-way, one-lane roads in the Municipality of Neo Psychiko in the Greater Athens Area. Data were analysed using the before-and-after safety analysis methodology with large control group. The selected control group comprised of two Municipalities in the Athens Greater Area, which present similar road network and land use characteristics with the area considered. The application of the methodology showed that the total number of crashes presented a statistically significant reduction, which can be possibly attributed to the introduction of LCTEMs. This reduction concerns passenger cars and single-vehicle crashes and is possibly due to the behavioural improvement of drivers of 25 years old or more. The results of this research are very useful for the identification of the appropriate low cost traffic engineering countermeasures for road safety problems in urban areas.

Keywords: before-and-after analysis; large comparison groups; low cost traffic engineering measures; speed humps; traffic calming; urban road safety; woonerfs.

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