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Please use this identifier to cite or link to this item: http://hdl.handle.net/10204/3396

Title: Revised K21 : identification and improvement of hazardous locations
Authors: Opperman, RA
Upton, AH
Keywords: Hazardous locations
Elimination
Road safety
Remedial measures
K21
National Department of Transport
South Africa
Issue Date: 26-May-2009
Series/Report no.: RR 88/095b/2
Abstract: The purpose of this manual is to provide a practical and easy-to-use method for identifying and prioritising hazardous locations in a given area, and to provide guidelines for establishing the most cost-effective remedial measure for a specific site. This manual is based on the well known CSIR Technical manual K21, published in 19762. Although a much more simplified approach towards the identification of hazardous locations, and step-by-step procedures regarding the investigation of such sites as well as determining the benefit / cost ratio's of possible improvements are given in this manual, much of the information contained in the original manual is repeated in this document. To assist the user, a list of collision patterns, their probable causes and general countermeasures are given. Furthermore the improvements recommended for various types of collision are described and an estimate is given of the degree to which these improvements could reduce collisions. Also included are updated collision costs and unit costs of road safety improvements as well as an example of the calculations regarding the analysis of a hazardous location
Description: This report is a publication of the National Department of Transport, South Africa, made available by the CSIR
URI: http://hdl.handle.net/10204/3396
Appears in Collections:Infrastructure engineering
Infrastructure systems and operations
General science, engineering & technology

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