In order to prevent the use of cell phones "blue" unexpected knock against, the chongqing has now launched a for cell phone use the sidewalk. Other German city in order to maintain augsburg blue pedestrians, the family also test set the traffic lights on the sidewalk. According to foreign media reports, the temperature was now the Dutch town wave dege test similar lights, the city will test article LED lights installed on the road to prompt the "mobile phone addiction".

This special traffic lights by the local company called + Lichtlijn high-value detainee interrogation group (HIG) traffic system development, including LED bar embedded in the road, and connect to the existing traffic lights, together will change color. But others take a different mindset. The Dutch highway safety lobby group VeiligVerkeerNederland spokesman indicated that authorities this way is "reward bad behavior.