The probable cause of the accident, in which 2 were fatally injured, 4 sustained serious injuries, 4 received moderate injuries, was the truck driver's chronic fatigue, which adversely affected his ability to avoid a collision with the schoolbus.
Washington, D.C., National Transportation Safety Board /Bureau of Accident Investigation, 1985, II + 35 p., 17 fig., ref. NTSB /HAR-85 /06 /NTIS PB 85-916207.
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