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Evaluation of a county enforcement program with a primary seat belt ordinance : St. Louis County, Missouri.
  • Published Date:
    2010-05-01
  • Language:
    English
Filetype[PDF-7.80 MB]


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Evaluation of a county enforcement program with a primary seat belt ordinance : St. Louis County, Missouri.
Details:
  • Publication/ Report Number:
    DOT HS 811 292
  • Resource Type:
  • Geographical Coverage:
  • Edition:
    Final report
  • NTL Classification:
    NTL-LAWS AND REGULATIONS-State Laws and Regulations ; NTL-OPERATIONS AND TRAFFIC CONTROLS-OPERATIONS AND TRAFFIC CONTROLS ; NTL-SAFETY AND SECURITY-Highway Safety ; NTL-SAFETY AND SECURITY-SAFETY AND SECURITY ;
  • Format:
  • Abstract:
    In March 2007, St. Louis County implemented a seat belt ordinance that allowed for traditional

    enforcement procedures. In order to increase usage on St. Louis County roads, particularly on roadways

    with fatal or disabling injury crashes, the St. Louis County Police Department conducted an intense high

    visibility enforcement (HVE) campaign along an 8-mile corridor on State Highway 21 in the southeastern

    part of the county. This corridor was selected in part because there had been at least 8 fatal or disabling

    injury crashes along this roadway in recent years. This campaign was characterized by a strong

    enforcement effort that was accompanied by only modest publicity in the form of roadway signage.

    Saturation patrols and enforcement zones resulted in about 1,000 citations issued over a two-week

    period. The results showed significant increases in all awareness indices and a 4.9 percentage point

    increase in belt use compared to the control corridor. Belt use increased as much among occupants of

    pickup trucks as passenger cars and increased the most for passengers, reaching nearly 90%. These

    data suggest that enactment and enforcement of a statewide primary enforcement law would likely result

    in a significant increase in statewide seat belt usage. If Missouri enacted a statewide primary law

    upgrade and implemented regular HVE programs, similar to the program implemented in St. Louis

    County, Missouri would save an estimated 30 to 70 lives, prevent 400 to 900 serious injuries, and save

    $110 million to $215 million in lower economic costs annually.

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