The increasing use of double trailer trucks on the nation's highways has raised concerns about their safety, especially as compared to the more common single-trailer trucks. The purpose of this study was to examine the accident rate of double-trailer, often known as double-bottom trucks as compared to single-trailer trucks on the Snoqualmie Pass portion of Interstate-90. Unfortunately, accurate data concerning truck accidents and truck volumes could not be developed from current data sources.
Washington State Transportation Center (TRAC)
Accident analysis, Accident rates, Data collection, Highway safety, Tractor trailer combinations, Traffic volume, Truck accidents, Truck drivers, Truck traffic, Trucking safety, Trucks.