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A study of safety effects of road infrastructure improvements under Israeli conditions
Technion - Israel Institute of Technology, Israel .
Number of Authors: 4
2001 (English)In: Proceedings of the conference Traffic Safety on Three Continents: International conference in Moscow, Russia, 19-21 September, 2001 / [ed] Asp, Kenneth, Linköping: Statens väg- och transportforskningsinstitut, 2001, Vol. 18A, 12- p.Conference paper, Published paper (Other (popular science, discussion, etc.))
Abstract [en]

A study aimed at developing a uniform methodology for evaluating potential safety effects of projects on road infrastructure improvements is presented. The final product of the study is a computer program, which enables its users to perform cost-benefit analysis of different variants of a project, from the viewpoint of associated accident savings, and serves as an assistance tool for road and traffic engineers. The core element of the system is a database on values of expected safety effects from various road infrastructure improvements. To provide this database, the study included the following steps: (a) developing a summary of safety effects as these appear in the international experience (based on reviews on the subject published over the last decade, some 250 summary values were evolved); (b) developing a method for evaluating safety effects of road infrastructure improvements under local conditions; (c) collecting data on road infrastructure improvements performed on the Israeli road network through the 90s and building examples of treatment types for analysis (in total, some 400 interurban and some 500 urban projects were recorded in the database from which more than 30 examples of treatment types evolved); (d) evaluating the effects of these treatments, based on accident statistics in "after" as opposed to "before" periods. Based on the comparative review of the known methods for evaluating safety effects, the method proposed in the current study accounts for confounding factors such as regression-to-the-mean, time-trend, changes in traffic volumes but at the same time, stays relatively simple and accessible for wide application. To combine the study findings with the previous experience, decision rules were developed which enabled the inclusion of some 20 estimates of safety effects in local conditions, to the required database.

Place, publisher, year, edition, pages
Linköping: Statens väg- och transportforskningsinstitut, 2001. Vol. 18A, 12- p.
Series
VTI konferens, ISSN 1104-7267 ; 18A:1
Keyword [en]
Safety, Cost benefit analysis, Program, Analysis, Evaluation, Data aquisition, Data base, Israel
National Category
Infrastructure Engineering
Research subject
80 Road: Traffic safety and accidents, 82 Road: Geometric design and traffic safety
Identifiers
URN: urn:nbn:se:vti:diva-5055OAI: oai:DiVA.org:vti-5055DiVA: diva2:673885
Conference
Traffic Safety on Three Continents: International conference in Moscow, Russia, 19-21 September, 2001
Available from: 2013-12-03 Created: 2013-12-03 Last updated: 2015-09-22Bibliographically approved

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http://vti.diva-portal.org/smash/get/diva2:673699/FULLTEXT05.pdf
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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
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