Chinese capital city Beijing plans to limit the number of cars below 6 millions before 2017.
Beijing’s population is around 12 millions, with an area of 16.411 km².
In 2015, there are 5.6 million cars registered in Beijing.
北京市副市长张工介绍，截至2015年底，北京机动车保有量达560余万辆，排放的污染物是PM2.5的首要来源。为此，北京将优先发展公共交通，实施更加严格的车用燃油标准，同时严控机动车总量。还将严格高排放车监管，2016至2017年，计划再淘汰老旧机动车40万辆。
This is Beijing. Average 2 people owns a car.
Traffic of Beijing Central Business District: Video
http://www.gettyimages.nl/detail/video/long-shot-of-traffic-of-beijing-central-business-stockvideofootage/461211272