The applicable conditions for setting the left corner of the traffic lights are as follows:

Geometric critical conditions:

Turn left the car stays in the left corner area need parking space length is greater than or equal to 15 m, that is when the left turn to turn area at least, 3 cars left the car capacity can be significantly improved. In addition, when multiple inlet lines are set to the left corner to be transferred, the safety distance of the multiple left-turn traffic flow at the crossing point must be in accordance with the relevant geometric dimensions, usually 2m.

Critical condition of flow:

The traffic light set to the left corner will be able to reduce the overflow of the left car, reducing the delay caused by the overflow. The study shows that, during the peak time period, if the time of the red light of the unit cycle is full left, the left corner can be considered.

Great traffic as a leading brand of domestic intelligent transportation industry traffic signal lamp manufacturers, will in future has been committed to provide a more mature and perfect traffic signal lamp, traffic signal equipment hardware, such as rod rack, traffic signal control machine, technology services; It will surely contribute to the domestic traffic signal market and the intelligent traffic management of ITS cities。

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