Highway safety appurtenances : state-of-the-art.

To reduce the horrendous toll on our nation's roadways, (50.000 fatalities per year), highway agencies, researchers, and industries are responding effectively to safety legislation by congress. Among the many safety initiatives taken was the systematic installation of forgiving appurtenances, developed to reduce the 17.000-22.000 deaths involved in errant vehicle collisions. Statistical data, for errant vehicle roadway departures and for accident-frequency collisions with the problem confronted.