Hazardous effects of highway features and roadside objects. Volume 2: Findings.

Hazards in run-off-road accidents are determined. Findings reflect (1) sample descriptors; (2) factors influencing the occurrence of run-off-road accidents; (3) the characteristics of road departures and factors influencing them; (4) off-road events and factors influencing them, including the effects of offset and clear zones; (5) impact behaviour speed, area of damage, and objects struck; (6) effects of impact characteristics on severity; and (7) effects of driver, road, manoeuvre on severity.