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AAA Foundation for Traffic Safety

Talking to a car or smartphone impairs driving for longer than you think

Drivers remain distracted for up to 27 seconds after giving voice commands to cell phones or infotainment systems, The Washington Post reports. Past research has shown that hands-free systems, including ones built into cars, are not safe to use while a car is moving. Now, an American Automobile Association-funded study has found that people need between 15 and 27 seconds to refocus afterward, suggesting that that drivers should refrain from using hands-free technology even while stopped at a stoplight.

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