1. In traffic lights about datum axis may have affect the light within the limits of relevant practical obstacles, in the road traffic lights about fifty meters shall not be a shadow of led street lamp ring lights appear under the trees or is higher than other lights along the obstructions of
1. In traffic lights about datum axis may have affect the light within the limits of relevant practical obstacles, in the road traffic lights about fifty meters shall not be a shadow of led street lamp ring lights appear under the trees or is higher than other lights along the obstructions.
2。 May not have lights on the back of the traffic lights and the emergence of billboards, easily confused with traffic lights appear. Under the overpass, at the junction of lights can be installed on the shell of the motor vehicle, or is installed on the right side of the lane imports. Under the overpass have two parking line, to the traffic lights should be installed on the other side of the intersection of right side. 【 This article released by traffic signal lamp post sorting 】