Truck Operating Characteristics in Relation to Safety

by Ian S. Jones, Insurance Inst for Highway Safety, Washington, DC, USA,
Howard S. Stein, Insurance Inst for Highway Safety, Washington, DC, USA,

Document Type: Proceeding Paper

Part of: Accommodation of Trucks on the Highway: Safety in Design


For a two-year period large truck crashes on the interstate system in Washington State were investigated using a case-control method. For each large truck involved in a crash, three trucks were randomly selected for inspection from the traffic stream at the same time and place as the crash but one week later. The effects of truck and driver characteristics on crashes were assessed by comparing their relative frequency among the crash-involved and comparison sample trucks. Truck configuration, truck equipment condition, and driving hours were the dominant factors associated with increased crash risk.

Subject Headings: Trucks | Safety | Traffic safety | Highways and roads | Inspection | Rivers and streams | Professional societies | Comparative studies | Washington | United States

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