informative traffic signs, passed by words or symbols to guide, limit, warnings or instructions of road infrastructure. Also known as road signs, road traffic signs. Generally based on security, traffic signs set up in the eye-catching, clear, bright traffic signs are traffic management, to ensure road safety and smooth important measures. There are many types of cardboard traffic signs, it can be divided into a variety of ways: the main signs and auxiliary signs; movable signage and stationary signs; illuminated signs, illuminated signs and reflective signs; and to reflect changes in the driving environment variable message signs.
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