KEEP ROADS SAFE High Reflective Road Markers, Guardrail Reflectors with EN1463 and ASTM D4280 approved. Learn More Top-Selling Items 60mm Round Reflector – R09 Can be used for road delineator, widely used on urban roads. Aluminum Road Marker – A01 Higher loading capacity, used for heavy traffic roads Aluminum housing ensures the strong structure. Plastic Road Stud – P03 Classic design