Red Solar Road Stud For Motorway Factory-Solar Road Studs . Solar road studs provide maximum visibility at night with high-quality LEDs. The solar road studs can be easily mounted to the ground with 2 screws and fixing plugs. The material type of the solar road stud is aluminum and the LED colors are available in yellow, blue, red, white, and . ABS Led Road Stud For Truck--NOKIN Solar Road Studs