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The Effect of Police Enforcement on Road Traffic Accidents.

Scott, Andrew (2010) The Effect of Police Enforcement on Road Traffic Accidents. PhD thesis, Edinburgh Napier University.

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    Abstract/Description

    The primary goal of this thesis is to investigate the effectiveness of police enforcement on Road Traffic Accidents; specifically, ‘Does police enforcement activity have any real effect on levels of Killed and Seriously Injured road traffic accidents?’

    Data relating to forty one Police Force Areas in England and Wales was analysed by means of Zero Truncated Poisson regression, Cluster Analysis and Multilevel Modelling. Enforcement measures available to the police, for which data is available in this report, range from Prosecutions and Fixed Penalty Notices to Written Warnings and Vehicle Defect Rectification Notices.

    Results from the Zero Truncated Poisson regression models have significant effects (P < .05), in relation to both contemporary and lagged Annual data and contemporary Quarterly data, for all proxy variables except Prosecutions. Significant effects (P < .05) are also found for Fixed Penalty Notices lagged by two quarters, Vehicle Defect Rectification Notices and speeding related Fixed Penalty Notices lagged by one quarter.

    Results from Cluster Analysis verify the trend linking increased police enforcement with decreasing KSI rates. Clusters derived from population based KSI rates are more clearly defined than those using Vehicle kilometres travelled based KSI rates.

    Multilevel modelling found significant fixed effects (P < .05) for Fixed Penalty Notices and speeding related Fixed Penalty Notices in relation to both derived and regional clusters, linking an increase in enforcement to a decrease in the overall KSI rate.

    There would seem to be little doubt, based on the findings of this report, that higher levels of police enforcement, as measured here, lead to decreasing numbers of KSI accidents.

    Item Type: Thesis (PhD)
    Uncontrolled Keywords: Police enforcement; road traffic accidents; prosecutions; fixed penalty notices; vehicle defect rectification notices;
    University Divisions/Research Centres: The Business School > School of Accounting, Economics and Statistics
    Dewey Decimal Subjects: 300 Social sciences > 380 Commerce, communications & transportation > 388 Transportation; ground transportation
    Library of Congress Subjects: H Social Sciences > HE Transportation and Communications
    Item ID: 4414
    Depositing User: Mr Andy Scott
    Date Deposited: 20 May 2011 08:52
    Last Modified: 20 May 2011 08:52
    URI: http://researchrepository.napier.ac.uk/id/eprint/4414

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