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1 .This is Scientific American 60-Second Science. I'm Karen Hopkin. This'll just take a minute.
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2 .Streets can be a dangerous place for bicycles.
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3 .In 2013, nearly 750 cyclists were killed in the U.S.from being hit by a car.
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4 .And of the 48,000 cycling injuries that were reported that year, nearly a third involved a motor vehicle.
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5 .Now, a new study suggests that signs sporting just five words could help show drivers and biker-riders how to share the road.
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6 .By not saying "share the road."
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7 .In all 50 states, traffic regulations state that bikes should be treated as vehicles.
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8 .Which means that they have the same rights as cars when it comes to using the roads.
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9 .But those rules are not always clear.
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10 .Signs that urge motorists to "Share the road" are ambiguous.
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11 .Cyclists may assume they mean that cars should make room for bikes.
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12 .But some drivers may think they're saying that bikes should get out of the way of traffic.
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13 .To see how such signs influence how people think about bike-riders' rights, researchers recruited 1,800 volunteers to take a quick survey.
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14 .Subjects were shown one of four images.
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15 .Some saw a street with a traditional "share the road" sign;
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16 .some saw an image of a bicycle painted on the pavement in a shared lane;
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17 .some saw signs that read "bicycles may use full lane";
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18 .and some saw a street with no instructions at all.
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19 .They then answered some questions about road etiquette.
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20 .Turns out that folks who saw the sign explicitly noting that bikes can use the full lane were the most likely to recognize cyclists' rights to be on the road.
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21 .And the ambiguous "share the road" suggestion?
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22 .It had about the same influence on the study subjects as no sign at all.
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23 .The findings appear in the journal PLoS One.
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24 .So remember, bicycles may indeed use the full lane.
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25 .And everyone on the road should use their full brain.
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26 .Thanks for the minute, for Scientific American 60-Second Science. I'm Karen Hopkin.
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