We usually see what some of the traffic lights above the orientation of the device have what kind of it? Traffic lights is not just a crossroads, choose a will not interfere with the local device so brief, including a lot of knowledge. Light
what we usually see traffic lights have what kind of picky on the direction of the equipment? The traffic light is not only a crossroads, in choosing a does not interfere with local facilities there are a lot of knowledge. At the front of a light, within the scope of the reference light axis 20 °, can not have any impact on signal shows that the obstacles. 50 meters in front of the light side of the road can not have impact signals under the trees or higher than the lights of the edge of the other obstacles. Lights should be easily confused with light color on the back of colored lights, billboards, and other objects. Cantilever type motor vehicle should be the root of the light pole position as far as possible from power line channel, inspection Wells, etc. It should be coordinated with light pole, pole, street trees, etc. When determine the installation position of lights, traffic police detachment of the user representative shall be present, communication and coordination in order to facilitate the decision, to avoid repetition. If there is no barrier between the lanes and non-motor vehicle lanes, the other side of the signal lamp should be located at the curb line tangent point and pedestrian crossing between the outer edge. When selecting the cantilever device ( Wide roads, more than 10 meters) , light pole is located in the road on the right side, as the auxiliary lamp set auxiliary lamp is located in the left side. When choosing pillar lights ( Narrow, less than 10 meters) Set on both sides, can be in stroke. At this point, the main lamp and auxiliary light color and put the order should be exactly the same. When you and the gap between the lights more than 60 meters, advocate the lamp for the direction indicator lamp, should choose the spotlight. Maybe when adding a set of auxiliary lamp, it should be installed in you of the side of the road. For a motor vehicle and non-motor vehicle lanes barrier road, opposite the signal lamp within 2 meters in the belt edge after cutting machine. When selecting the cantilever ( Wide roads, more than 10 meters) , should be installed on the right side of the fence, when install auxiliary lamp should be installed on the left side. When using a column type advocate complementary lamp ( Schedule a narrow, less than 10 meters) , advocate complementary lamp should be installed on two sides separation. At this point, advocate complementary color of the light and the order should be identical. When you and light spacing greater than 60 meters, advocate the lamp for the direction indicator lamp, should choose concentrating direction indicator. Maybe when add a set of auxiliary lamp, auxiliary lamp should be installed in you of the side of the road. With the intersection of basic guardrail, cantilever type or pillar advocate the lamp should be installed in the relative position, auxiliary lamp should be installed on the basis of guardrail. Under the overpass intersection, traffic signal lamp can be installed on the bridge, may be on the right side of the entrance driveway. If there are two you under the overpass, the opposite of the right side of the lamp installed at the other side of the intersection. In and out of the roundabout traffic by a set of signal control roundabout outside, the installation of four groups in the roundabout that light indicates four imported car, roundabout outside install four groups of lights explosion-proof lamp indicates four car exports.