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Impact Speed and a Pedestrian s Risk of Severe Injury or Death

Background. In 2009:4,092 pedestrians were killed in crashes with motor vehicles 59,000 were injured. When struck by a vehicle, the critical factor in determining the outcome (minor injury vs. severe injury vs. death) is speed . Background. Past studies have been limited to pedestrians struck

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Impact Speed and a Pedestrian s Risk of Severe Injury or Death

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    1. Impact Speed and a Pedestrian’s Risk of Severe Injury or Death

    2. Background In 2009: 4,092 pedestrians were killed in crashes with motor vehicles 59,000 were injured

    3. Background Past studies have been limited to pedestrians struck by cars…but 40% of pedestrians struck in the United States are struck by pickup trucks, SUVs, etc. A study reflective of the current United States pedestrian population and vehicle fleet was needed

    4. The Study

    5. Objective Estimate the risk of severe injury or death in relation to impact speed for a pedestrian struck by a car, pickup truck, van, or SUV, using the most recent data available from the United States

    6. Method Analyzed sample of 422 crashes in which a pedestrian aged 15 years or older was struck by a forward-moving car, light truck, van, or SUV Compiled from crashes that occurred in six U.S. cities between July 1994 and December 1998 Data from National Highway Traffic Safety Administration’s Pedestrian Crash Data Study Data weighted to correct for oversampling of crashes that resulted in severe injury or death

    7. Method Adjusted for potential confounding by pedestrian age, height, weight, body mass index, and type of striking vehicle using logistic regression Standardized risks to represent average risk for a pedestrian struck by a car or light truck in the U.S. in 2007–2009

    10. Additional Findings

    11. Summary

    12. Practical Applications

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