Believe it or not，optical illusion can cut highway crashes. Japan is a case in point. It has reduced automobile crashes on some roads by nea rly 75 percent using a simple optical illusion. Bent stripes, called chevrons painted on the roads make drivers think that they are d riving faster than they really are, and thus drivers slow down.
信不信由你，视觉错觉可以减少高速公路上的车祸。日本就是一个很好的例子。它使用一种简单的视觉错觉将一些道路上的车祸减少了近75%。道路上漆成人字形弯曲的条纹会让司机认为他们开得比实际速度快，因此司机会减速。
Now the American Association Foundation for Traffic Safety in Washington planning to repeat Japan's success. Starting next year, the foundation will paint chevrons and other patterns of stripes on selected roads around the country to test how well the patterns reduce highway crashes.
现在，华盛顿的美国交通安全协会基会计划复制日本的成功。从明年开始，该基金会将在全国选定的道路上绘制人字形和其他条纹图案，以测试这些图案在减少高速公路撞车事故方面的效果。
Excessive speed plays a major role role in as much as one fifth of all fatal traffic accidents, according to the foundation. To help reduce those accidents, the foundation will conduct its tests in areas where speed - related hazards are the greatest - curves, exit slopes, traffic circles, and bridges.
根据该基金会的数据，超速在多达五分之一的致命交通事故中起着重要作用。为了减少这些事故，该基金会将在与速度相关的危险最大的地区进行测试——弯道、出口斜坡、环形交通和桥梁。
Some studies suggest that straight, horizontal bars painted across roads can initially cut the average speed of drivers in half. However, traffic often returns to full speed within months as drivers become used to seeing the painted bar.
一些研究表明，在道路上画上笔直的横杠最初可以将驾驶员的平均速度减半。然而，随着驾驶员习惯于看到画上的横杠，交通通常会在几个月内恢复全速行驶。
Chevrons, scientists say, not only give drivers the impression that they are driving faster than they are but also make a lane look narrower. The result is a longer reduction in highway speed and the number of traffic accidents.
科学家们说，雪佛兰不仅给驾驶员留下驾驶速度快的印象，而且会让车道看起来更窄。其结果是公路速度和交通事故数量的长期下降。
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