The National Highway Traffic Safety Administration survey found that 10% of US vehicles are driven by someone using either a handheld or hands-free phone. The figure is up from 8% in 2004. 6% use handheld devicesy. 4% use hands-free devices.
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The National Highway Traffic Safety Administration survey found that 10% of US vehicles are driven by someone using either a handheld or hands-free phone. The figure is up from 8% in 2004. 6% use handheld devicesy. 4% use hands-free devices.