conspicuity at HWZs in Pakistan. 2 8 15 Feasibility and effectiveness of their implementation,however remains to be evaluated.ACKNOWLEDGEMENTSWe are especially thankful to Dr. Aftab Ahmed PATHAN, Deputy Inspector General ofPolice, Mr. Irshad SODHAR, Senior Patrolling Officer, and Mr. Naeemullah SHIEKH , SeniorPatrolling Officer, National Highway and Motorway Police south sector III office, Pakistanfor their support in data collection. Authors also acknowledge Engr. Ali Bin Usman SHAH,Road Safety Expert at National Highway Authority for providing traffic survey reports.Finally, we would like to thank the editor and reviewers for their suggestions to improve thecontent of this manuscript.FUNDINGFirst author is the PhD candidate at Université Victor Segalen Bor<strong>de</strong>aux 2. This position isfun<strong>de</strong>d by Higher Education Commission of Pakistan. Institut National <strong>de</strong> la Santé et <strong>de</strong> laRecherche Médicale Unité 897, France, fun<strong>de</strong>d the logistics for data collection. Fundingbodies had no input in study <strong>de</strong>sign, analysis and interpretation of results.AUTHORS CONTRIBUTIONThis study is the part of PhD thesis work of JB supervised by LRS. JAR and EL provi<strong>de</strong>dtechnical help in study conception, <strong>de</strong>sign, analysis, and manuscript writing.COMPETING INTERESTSNo competing interests were i<strong>de</strong>ntified for any of the authors.LICENSE STATEMENT:The Corresponding Author has the right to grant on behalf of all authors and does grant onbehalf of all authors, an exclusive licence (or non exclusive for government employees) on aworldwi<strong>de</strong> basis to the BMJ Publishing Group Ltd and its licencees, to permit this article (ifaccepted) to be published in IP and any other BMJ Group products and to exploit allsubsidiary rights, as set out in our licence (http://ip.bmjjournals.com//ifora/licence.pdf).Important pointsWhat is already known on the subject?• Highway work zones (HWZs) lead to increased crash and fatality risk.• Risks and factors associated with such zones were rarely studied in <strong>de</strong>veloping countries.What this study adds:• Crash fatality risk was four times as high on HWZs as compared to other zones in Pakistan, alow-income country.• Traffic separation, harsher penalties for hazardous overtaking, and appropriate hazard signageat HWZs might reduce the risk of such crashes.Policy implications:• Exposition to HWZ will tremendously increase in coming years in <strong>de</strong>veloping countries likePakistan. Implementation of safety interventions at HWZs may significantly reduce roaddisease bur<strong>de</strong>n.REFERENCES1. Li Y, Bai Y. Highway work zone factors and their impact on crash severity. J Transp Eng2009;135:694-701.116
2. American Association of State Highway and Transportation Officials (AASHTO). Apolicy on geometric <strong>de</strong>sign of highways and streets. Washington, DC: AASHTO,2004.3. Li Y, Bai Y. Development of crash-severity-in<strong>de</strong>x mo<strong>de</strong>ls for the measurement of workzone risk levels. Accid Anal Prev 2008;40:1724-31.4. Department of Transportation (DOT). FY 2008 Budget in brief. Washington, DC: DOT,2008.5. Department of Transportation (DOT). Highway Statistics 2007: Funding For Highwaysand Disposition of Highway-User Revenues, All Units of Government, 2007.Washington, DC: DOT, 2007.6. Republic of Ghana, European Community. Country Strategy Paper and IndicativeProgramme for the period 2002–2007. Accra: European Union <strong>de</strong>legation in Ghana,2002.7. Masood H, Seetharam KC, Utami D, et al. Report and recommendation of the Presi<strong>de</strong>nt tothe board of directors on proposed loans to the Islamic Republic of Pakistan for theNorth-West Frontier Province road <strong>de</strong>velopment sector and subregional connectivityproject. Manilla: Asian Development Bank, 2004.8. American Association of State Highway and Transportation Officials (AASHTO).Summary report on work zone crashes. Standing committee on highway traffic safety.Washington, DC: AASHTO, 1987.9. Wang J, Hughes WE, Council FM, at al. Investigation of highway work zone crashes:what we know and what we do not know. J Transp Res Rec 1996;(1529):54-64.10. Li Y, Bai Y. Comparison of characterstics between fatal and injury acci<strong>de</strong>nts in highwaywork zones. Safety Sci 2008;46:646-60.11. Mohan SB, Gautam P. Cost of highway work zone injuries. Practical Periodical onStructural Design and Construction 2002;7:68-73.12. JICA, NTRC, Government of Pakistan. Pakistan Transport Plan Study in the IslamicRepublic of Pakistan. Islamabad: tripartite collaboration of the Japan InternationalCooperation Agency (JICA); National Transport Research Centre (NTRC), andMinistry of Communications, Government of Pakistan, 2007.13. Nishtar S, Mohamud KB, Razzak J, et al. Injury prevention and control: National ActionPlan for NCD Prevention, Control and Health Promotion in Pakistan. J Pak MedAssoc 2004;54:S57-68.14. National Transport Research Centre. Traffic Counter measures in Pakistan: NTRCpublication 85. Islamabad: National Transport Research Centre, Ministry ofCommunication, 1985.15. Ahmed A. National Road Safety Plan 2007-2012. Islamabad: National Road SafetySecretariat, Ministry of Communications, 2007.16. Hy<strong>de</strong>r AA, Ghaffar AA, Sugerman DE, et al. Health and road transport in Pakistan.Public Health 2006;120:132-41.17. Salmi LR, Battista RN. Epi<strong>de</strong>miologic assessment of hazardous roadway locations.Epi<strong>de</strong>miology 1990;1:311-4.18. Lassarre S. Some Statistical Mo<strong>de</strong>ls for Road Risk Analysis. In: Tiwari G, Mohan D,Muhlrad N, editors. The Way Forward: Transportation Planning and Road Safety.New Delhi: MacMillan India Ltd., 2005.19. National Highway Authority (NHA). Traffic survey. Islamabad: NHA, 2008.20. Khoso A. Analysis of National Highways & Motorway Police Injury Surveillance Systemwith respect to WHO Injury Surveillance Gui<strong>de</strong>lines. Stockholm; Kerolinska Institutet,2007.117
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Université Victor Segalen Bordeaux
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Publications (peer-reviewed).......
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Index of figuresFigure 1. Traffic f
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AbbreviationsAKUAVCIBMIEASESSDALYDW
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AbstractBackground: Interurban traf
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L'objectif de cette thèse était d
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2. Background2.1 Road injury burden
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2.4 Multiple factors involved in tr
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Figure 4. Percentage difference of
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2.7 Interurban road safety research
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ObjectivesThe objectives of this fi
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ResultsCrash burdenA total of 935 R
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Figure 7. Monthly trend of traffic
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Injury outcome patternsMost of inju
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MethodsThe study setting was 196-km
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patients. In the ED, those with NIS
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Table 6. Traffic injuries reported
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5. Analytical StudiesPrevious liter
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under supervision of Dr. Sobngwi-Ta
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Table 9. Situational variables at c
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MethodsStudy design and settingStud
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to Dec 08 were retrieved and photoc
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normal zones. However, this associa
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MethodsStudy design and settingsThe
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Figure 14. Picture extracted of a h
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located in built-up area in Pakista
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Table 15. Differences in hazard per
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6. Discussion6.1 Originality of stu
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Although adjustments are possible,
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observational studies on how the de
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to understand the deficiencies in t
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[24] Damsere-Derry J, Afukaar FK, D
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