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无论是在普通公路的隧道行车,还是在高速公路的隧道行车,其行驶条件与隧道外的干道相比,总还是差得多。倘若驾驶员稍不留意便容易出现碰撞事故。因此,注重各种道路上通过隧道时的安全行驶,也是驾驶员安全行车的重要一环。行车通过隧道应注意以下问题: (1)进入隧道前及时调整好汽车的行驶速度。汽车在驶入隧道之前,驾驶员必须注意并严格遵守交通标志或情报信息板提供的信息,特别是限速标志信息。汽车从洞外路段驶入隧道内路段,人眼的暗适应时间大约需要7秒～8秒,驾驶员的视力下降,因而必须调整车速。晴天光线明亮时,隧道内外亮度差异更大,视力的适应时间更长,更要注意行
Whether it is driving on an ordinary road tunnel or driving on an expressway tunnel, the driving conditions are always far worse than the tunnels on the tunnel. If the driver is not aware of it is prone to collision accident. Therefore, pay attention to all kinds of safe driving on the road through the tunnel, but also an important part of driver safety driving. Traffic through the tunnel should pay attention to the following questions: (1) before entering the tunnel to adjust the speed of the car in good time. Before entering the tunnel, the driver must observe and strictly observe the information provided by the traffic sign or information board, in particular the speed limit sign. Car from the road into the tunnel section of the tunnel, the human eye dark adaptation takes about 7 seconds to 8 seconds, the driver’s vision loss, which must adjust the speed. Bright sunny day, the difference between the brightness of the tunnel inside and outside the greater vision to adapt to a longer time, but also pay attention to the line