What does the speed limit sign do?

The purpose of the speed limit sign is to warn the driver to drive at the specified speed: 1. Road traffic signs are facilities that use graphic symbols, colors and words to convey specific information to manage traffic. It plays a role in ensuring smooth roads and traffic safety, so drivers and traffic participants must abide by it; Traffic safety propaganda slogans can improve the awareness of drivers and traffic participants to consciously abide by traffic laws and regulations, which is of great significance to building a safe and smooth traffic environment;

2. However, if the traffic signs and propaganda slogans are not standardized, or the contents are contrary to traffic laws and regulations, it will mislead traffic participants, thus laying a hidden danger for traffic safety;

3. Speed limit signs in China are mainly based on GB5768-2009 Road Traffic Signs and Marking, aiming at ensuring smooth traffic and driving safety, and combining with road alignment, traffic conditions and facilities along the route, they can provide correct and timely information for road users and guide them to reach their destinations smoothly and quickly. The speed limit value is also determined according to the 85% speed of free flow on the road.

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