Reporters saw at the teda liuzhou road intersection, the light about 2 meters long, with a red yellow green disc lamp, lower half is a shelf, and at the bottom of the four wheels. "This is called mobile signal, this several days, the teda liuzhou road, road construction, underground cables to be rerouted, the original signal can't use." Traffic police nine brigade said relevant controller introduces, traffic is very big but the intersections in the morning and evening rush hours, no light, can't do and the mobile signal in use, it does not require wiring, charge by running, to charge can be used for two days.

"Portable light, however, can only be used as a temporary traffic facilities, such as roads, we will use ordinary light back." Nine brigade the head said.

According to understand, convenient and flexible for mobile signal features, in addition to used in road construction, some also use outside the school gate. In jianye district on the street in the kindergarten, Ann from school in the morning and evening peak and protect XueGang police will launch in the middle of the road and the lights from kindergarten. The police told reporters that month kindergarten foreign language primary school is not far from reach, morning and evening, the road traffic flow is not small. In about 50 meters distance from month Ann kindergarten, yanshan road intersections existing lights, "if the kindergarten in month to install fixed lights, the two lights is too close, will brake motor start-up, is not conducive to motor vehicles." He said, therefore, the portable light has become a good helper.

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