The role of road traffic signs

Road traffic signs with graphic symbols, colors and text to pass specific information to traffic participants to manage traffic to ensure the safety of the facilities.
The optical pattern classification mainly include: LED active light style, interior lighting type,car beacon lights retroreflective type. Since the retroreflective type of traffic signs as well as the high beam does not depend on all-day identifying traffic participants, LED active light style has been gradually replace retroreflective type.
One reflects the effectiveness of road safety laws, with concise text symbols clear traffic behavior.
Second, adjusting the traffic flow, efficient flow of traffic, improve road capacity.
Third is to reduce the incidence of traffic accidents to ensure the smooth flow of traffic safety;
Fourth, to save energy, reduce pollution and beautify the road capacity.