Why is Nangang Industrial Zone restricted?

So as to control traffic flow. Nangang Industrial Zone, located in the southeast of Binhai New Area, is the Nangang in the strategic planning of Tianjin's "Twin Cities and Shuang Gang" urban space development, with huge traffic flow. In order to alleviate the traffic pressure and limit the traffic flow in Nangang Industrial Zone, the traffic restriction time is 07: 00- 19: 00 on weekdays, except holidays.