Written report:
Source: Chongqing morning news time: Monday, November 23, 2015

Washington (reporter Liu Min) G50, Shanghai and Chongqing Expressway, Tieshan Ping tunnel and Huashan tunnel recently replaced "chameleon" LED lights, the public driving through the tunnel will be more secure.

"Chameleon" LED lamp light color can be adjusted by the remote control system, the spring and autumn light adjustable for warm white light; summer is white in winter; the light is light yellow light, reduce tunnel lighting and light outside the tunnel contrast, passing vehicles safety guarantee. At the same time, haze days can also be adjusted to yellow light, anti haze function.

The "chameleon" LED lights were put into the eling tunnel in Yuzhong District, Jiulongpo chenjiaping tunnels etc..