Solar Led Road Stud are low-cost, stand-alone, solar-charged, LED-lit markings. Solar Led Road Stud can be used to slow down and alert drivers to common features, hazards and dangerous corners on the road. Solar Led Road Stud Commonly used in sharp corners, dangerous bends, crosswalks/shelters, concrete traffic islands, intermediate/separation zones, bike lanes, deceleration zones, combined lanes, roundabouts, guardrails, narrow bridge “keep clear” intersections, etc.