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Traffic safety on rainy days

  • Date: 2018-02-21
  • Issued by: Police Department

Driving on rainy days requires higher performance of the tires because a water membrane may form between the tread and the water surface. If your tire tread is too shallow, your car may deviate, drift and need a longer braking distance. In addition, low tire pressure will exacerbate the degree of slippage. Low tire pressure may increase friction between the tire and the ground, thereby increasing some adhesion, but the adhesion power is very limited, relative to the reduced tire pressure against per unit area of the ground. Braking a car in the rain needs sufficient tire pressure to repel water between the tire and the road surface. Thus, the higher the tire pressure, the safer a trip in the rain.

Statistically speaking, driving in the rain has a much higher accident rate than usual, mainly because visibility is low in the rainy days, even if all the street light is on. Sometimes, when there is a torrential rain and even theca wipers cannot brush away the rain on the wind shield, such weather will mean an even more terrible experience to the motorcycle riders, who constitute the majority of our road users. Rain will weaken the friction between the tire and the ground. Decrease in gripping power can easily lead to loss of control of the vehicle. That is the reason why we must drive slowly, reserve a longer braking distance, and keep longer distance from the vehicle in front of us on wet lands. Moreover, it is also important for the motorcycle riders to watch out for the arrows, separator lines, prohibition marks, and manhole covers on the road because they may cause slippage, resulting in accidents.

  • Date : 2013-01-22
  • Hit: 6
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