这次交通堵塞从8月13号开始，是由于道路施工减少高速公路流量引起的。 这条高速公路是一条运输主干线，中国西北的运煤和其他货物的货车从这里进入北京。
The mess began August 13th when road works cut capacity on the main artery for coal and other freight traffic from north-western China into the capital.
由于它的日渐普及，通往场地的道路因增加的车辆交通，人行交通以及小型商店和报刊亭的出现而变得堵塞拥挤。
Because of its popularity, the roads leading to the site have become congested due to increased vehicle traffic, foot traffic, and the appearance of small shops and kiosks.
当道路由于事故堵塞时，被堵的交通车辆排列长达数英里。
Traffic tailed back for many miles when the road was blocked by an accident.
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