solar led traffic sign used for urban roads and highway

Warning signs cardboard traffic signs calculate the position and speed of road traffic related. In the rural mountain road, the general should be set at 20 to 50 meters from the hazardous location areas. Ban flag should normally be set in the need to restrict or prohibit the place, except no parking signs should be arranged in pairs at both ends of the outer limit or ban from the end sections and bridges. solar led traffic sign used for urban roads and highway, less general road use.