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Evaluation of Motorcycle Helmet Law Repeal in Arkansas and Texas PDF version (posted - 09/21/2000)
This evaluation looked at changes in helmet usage, fatalities, traumatic brain injuries, and costs after Texas and Arkansas repealed their mandatory motorcycle helmet laws in the Fall of 1997. Helmet use decreased substantially following the law changes in both states and motorcycle fatalities rose 21 percent in Arkansas and 31 percent in Texas in the first full year folloiwng repeal. See Traffic Tech Number 231

Do Motorcycle Helmets Interfere with the Vision and Hearing of Riders PDF version (posted June 1996)
The National Highway Traffic Safety Administration sponsored a study to access the effect of wearing a helmet upon the ability of motorcycle riders (1) to visually detect the presence of vehicles in adjacent lanes before changing lanes and (2) to detect traffic sounds when operating at normal traffic speeds. The information in this study will benefit motorcycle advocates across the nation seeking information about the impact of helmet usage on motorcyclists' vision and hearing.

Federal Motor Vehicle Safety Standard No. 218 (Motorcycle helmets)

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