Traffic lights method, as follows:

1, column type:

Traffic lights pillar type device, usually used in auxiliary signal, can be at the mercy of the device in the exit lane on both sides, also can be at the mercy of the device in the import lanes on both sides.

2, the door type:

Gantry is lane traffic signal control method, this kind of traffic light contrast is suitable for the lanes at the entrance of tunnel or changes of direction above device use.

3, attached type:

The traffic lights on the cantilever beam device, the stud on the vertical device can be used as auxiliary lights, lights, therefore, it can often be as pedestrians - bicycle lights.

4, cantilever type:

Cantilever type, is refers to the traffic light device on the long arm light pole. Long arm rod according to the horizontal cantilever and cohesion of the stem is different, can be divided into flange connection method, the cantilever embrace hoop method combined with a pull rod on cohesion and vertical pole winding directly without cohesion method, etc.

5, the base unit type:

Traffic signal lamp base device type, namely to choose a long base on cantilever device to intersection control multiple directions of a semaphore or will be light, base box finest device in the intersection method.

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