Driving inside the spacious Longtoushan Tunnel, the reporter felt the light is very soft. According to reports, this is because the Longtoushan Tunnel is the first tunnel in China that uses LED energy-saving lamps. The color rendering of the bulb is good, the light is close to natural light, which is conducive to the safe driving of the driver, and can also save 45% of the electricity bill. The person in charge of the highway department said: Even if you read a book in the tunnel at night, there is no problem. He also pointed to the black material at the top of the tunnel and told reporters that it was specially painted for sound absorption, which can reduce the noise of tens of decibels and provide a more comfortable environment for the owner.
Not only that, the Longtoushan Tunnel also installed LED-induced lights on both sides of the road. Just like the airstrip, the owner had a reference object at night to reduce the chance of hitting the tunnel wall. Moreover, the anti-collision bar of the middle isolation belt of the East Second Ring is also raised and thickened.
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