Customize Led Road Stud For Motorway--RUICHEN Solar road . Customize Led Road Stud For Motorway is wildly use because of Led Road Stud, also called solar cast aluminum road lights, reflective markers, LED road stud lights, etc., are charged by solar panels, stored in a battery, and will automatically emit light at night and in rainy and foggy weather when the light is insufficient, and guide the vehicle correctly.