WASHINGTON (AP) - Government investigators say all states should require motorcycle riders to wear proper helmets.
The National Transportation Safety Board unanimously approved that and several other recommendations Tuesday, in an effort to curb a steady rise in motorcycle deaths. Deaths have more than doubled since 1977.
There were more than 4,800 deaths last year.
Still, motorcycle groups question the effectiveness of helmets. They say more rider education programs are needed. But one safety advocacy group says there's no scientific evidence that training reduces the risk of crashes.
In the late 70s, nearly all states mandated helmets. Twenty states and the District of Columbia currently require them. Twenty-seven states only cover some riders and three states -- Iowa, Illinois and New Hampshire -- have no helmet laws.
On the Net:
National Transportation Safety Board: http://www.ntsb.gov
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