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Side Impact Guards for Combination Truck-Trailers: Cost-Benefit Analysis
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2023-04-01
[PDF-951.85 KB]
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Edition:Final Report
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Abstract:This analysis presents the benefits and costs of requiring trailers of combination trucks (CTs) or articulated trucks consisting of a tractor unit and one or more attached trailers to be equipped with side impact guards to mitigate injuries and fatalities resulting from side-underride crashes involving CTs and light passenger vehicles (LPVs). LPVs include passenger cars, light trucks, and vans with gross vehicle weight ratings of 10,000 pounds or less. Estimated safety impacts were converted into monetary equivalents using estimated comprehensive economic costs of crashes, and compared with estimated hardware, installation, and incremental fuel costs to identify estimates of net benefits, benefit-cost ratios, and cost-effectiveness. A sensitivity analysis considered a range of input assumptions to account for uncertainty in the target population of side underride fatalities, side guard effectiveness, hardware costs, and fuel consumption impacts.
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