A 60-mile traffic jam near the Chinese capital could last until mid-September, officials say.

Traffic has been snarled along the outskirts of Beijing and is stretching toward the border of Inner Mongolia ever since roadwork on the Beijing-Tibet Highway started Aug. 13. The following week, parts of a major road circling Beijing were closed, further tightening overburdened roadways.

As the jam on the highway, also known as National Highway 110, passed the 10-day mark Tuesday, local authorities dispatched hundreds of police to keep order and to reroute cars and trucks carrying essential supplies, such as food or flammables, around the main bottleneck. There, vehicles were inching along little more than a third of a mile a day. Zhang Minghai, director of Zhangjiakou city’s Traffic Management Bureau general office, said in a telephone interview he didn’t expect the situation to return to normal until around Sept. 17 when road construction is scheduled to be finished and traffic lanes will open up.

(Read More: WSJ)

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