Several speakers at Jan 99 TRB meeting emphasized importance of HPT education in schools. John Fegan, FHWA, stated student interest is there. Michael Trentacoste, FHWA, spoke of gaining the toolkit. Michael Meyer, Georgia Tech, noted transp history started with HPT, and the advantages of using HPT as a means of illustrating basic concepts of transp such as levels of service in all modes, etc. Also the linkage between education and research, and the myriad possibilities of HPT design projects on campus.
Larger vents mean less contact area to spread force of blow.
BSI felt normal venting in good helmets of mid-'90s was adequate for most riders in most conditions, and should not be increased for general use. Aero tails can also shove helmets aside as one hits, exposing the bare head. Shape effects are not tested for by current bike helmet standards. Helmets met minimums of ASTM std. 3 mph above 37 mph gave same risk increase as driving with blood alcohol 0.05.