1, cantilever

(1): suitable for installation in the branch, in order to keep the lamp spacing, generally only installed 1 to 2 groups of lights, auxiliary traffic signal lamp sometimes is also used in this installation.

(2): suitable for installation in the trunk, the lamp post requirements are relatively high, especially in case of motorized vehicles and non motorized vehicles with no greening isolation belt, in order to meet the required installation location of the traffic signal lamp must be used longer cross arm, the poles were installed at the edge of the stone back 2m. The advantage of this method is that it is suitable for installation and control of the signal facilities in the multi phase intersection, which reduces the difficulty of the engineering cable laying, especially in the complex traffic intersection.

Double cantilever 3: is a form not recommended, is only suitable for in band is wide, installing more imports of lane, and the need in the intersection of import and export also installed two sets, and therefore is a very wasteful form.

2, column

Traffic signal lamp post type installation is generally applied to the auxiliary signal, installed in the left and right sides of the exit lane, can also be installed in the left and right sides of the entrance lane.

3, door type

The door type is the control mode of the lane traffic signal, which is suitable for the installation of the lane at the entrance of the tunnel or the direction of the transformation.

4, attached type

The traffic signal lamp on the transverse arm is installed horizontally, and the vertical installation of the signal lamp on the vertical pole can be used as an auxiliary signal lamp, and can be used as a pedestrian bicycle signal lamp.

The above information is provided by the traffic signal lamp manufacturer