updated review of potential test procedures for fmvss no 208 prepared by the office vehicle safety research william t hollowell hampton c gabler sheldon l stucki stephen summers james r hackney nps october 1999 table contents executive summary es 1 chapter introduction 2 candidate approach overview experience 3 6 4 18 5 references 19 nass analysis frontal impacts general findings on crash modes data mode pulse type and intrusion 15 16 compatibility vehicles designed to rigid barrier consequences procedure options 9 evaluation configurations responses occupant injury