Recently, there are many people, especially in downtown center, new district wide avenue of traffic intersection, the motor vehicle traffic lights green less than or equal to 30 seconds, the display of the time at the intersection traffic increased significantly, because the passage of time is too short, a long wait in line with the motor vehicle car dragon, cause a lot of traffic jams, longer transportation time. In a public holiday, the rush hour, especially this kind of situation.

The author found that although perfecting urban transportation network construction, but part of traffic light Settings are not unified, the display is not unified. Like a road, some traffic intersection without direction indicator used the traditional red and green traffic light control, some with directions of domestic general traffic control signals. And traffic intersection operation mode are not unified: some red light after the first tip straight, then turn to tip; Some first tip tip straight after turning the corner, it is easy to cause confusion, which requires the vehicles drivers want special attention, a bit not careful it may blunt light, cause a lot of traffic.

In zibo bus configuration under the condition of imperfect at present, people's shopping desire, private cars has surged, increasing traffic pressure, rush hour traffic is not smooth for urban traffic problem is increasingly outstanding, which put forward higher requirements on construction of traffic lights.

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