Calculation of powered traffic sign position solar and highway traffic speed of. In the rural mountain road, the general should be located in dangerous locations Road traffic signs from 20 to 50 meters.
The ban on signs in general should be set up in the need to restrict or prohibit the place, with the exception of no stopping signs should be arranged in pairs at both ends to restrict or prohibit the end of the road sections and bridge.
Solar powered traffic sign used in the city road and highway, highway use less.
Solar powered traffic sign commonly used in general road names, the demarcation, pointing to the sign and milepost, hundred meter pile, highway marker. Symbol names edges in Safety Warning Light town; boundary sign in the administrative divisions, the tube boundary maintenance section; pointing signs located in the distance 30 ~ 50 meters at the fork in the road.
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