Why are reflective glass microbeads used when building roads?

　　Road reflective glass beads are now widely used in pavement construction—every marked lane on the road incorporates these reflective glass beads. But why exactly are road reflective glass beads used? Perhaps not many of us fully understand this. So, let’s dive into an explanation right now.

　　When you’re walking on the road at night, have you noticed that the road markings are quite clear? That’s exactly the principle behind it: these markings contain road-reflective glass beads. These glass beads reflect light from car headlights, enabling drivers to clearly see the road conditions even in low-light situations, thus avoiding disruptions to normal traffic flow and preventing accidents.

　　After road reflective glass beads are applied to the same road surface, the strength of the pavement can be enhanced, making the entire surface more resistant to stress and thereby extending its service life. As a result, they are frequently used.

　　In addition, reflective glass beads are also used in certain types of clothing. This is because some road maintenance workers may need to carry out their tasks right in the middle of the road. At such times, vehicles passing by at high speed could easily overlook them if they’re not clearly visible, potentially leading to serious accidents. That’s why these workers wear uniforms equipped with glass beads—making them highly visible and easy to spot. Moreover, these beads are also affixed to warning signs and barriers—all for the sake of safety.