Burden and Factors Associated with Highway Work-Zone Crashes, on a Section of the Karachi–Hala Road, Pakistan

Much of the national highway network in Pakistan is in need of major road reconstruction and making these repairs will necessitate the use of highway work zones (HWZs). However, not much is known about the risks associated with HWZs in developing countries such as Pakistan. This paper assesses the burden and factors associated with HWZ crashes using police-reported crashes and traffic statistics for a 196-km section of the Karachi–Hala Road in Pakistan from January 2006 to December 2008. Crash and death risk between the HWZ and other zones for a 50 km section were compared. Crash locations were described for a further 146 km section on which factors associated with HWZ crashes were assessed. Results showed that HWZ crashes accounted for 15.0% of traffic crashes and 30.8% of road fatalities on the 196 km section. Rates were higher in the HWZ than other zones for crashes and deaths. Crashes involving pedestrians and on wet surfaces as well as opposite-direction crashes were significantly associated with the HWZ. Countermeasures such as traffic separation, stricter penalties for overtaking and better signage could reduce the risk of such crashes.


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  • Accession Number: 01350043
  • Record Type: Publication
  • Files: TRIS
  • Created Date: May 20 2011 9:22AM