Noise pollution roads < 50 km/h in 2016

On the map you can see what percentage of the population seriously hindered by noise from road traffic on roads where it is not allowed to drive faster than 50 kilometers per hour.该地图展示了在限速不超过50公里/小时的道路沿线，受道路交通噪音严重干扰的人口占比情况。