Traffic safety Vehicle detector Weighing instrument Light detector Other traffic detection equipment Vehicle speedometer Traffic command equipment Traffic warning light Traffic signal system Other traffic control and management equipment Road deceleration equipment Large-screen projector Anti-collision facilities Roadblock Road stud Safety convex mirror Reflective material Alarm display board Wheel lock Anti-glare panel Traffic cone Other traffic safety facilities Other intelligent transportation Traffic toll equipment Speed抓拍 system Electronic road sign Electronic display bus stop sign Bus vehicle announcer Traffic indicator light