The R3-7L LEFT LANE MUST TURN LEFT sign is a regulatory traffic sign that informs drivers that vehicles in the left lane are required to make a left turn at the upcoming intersection or junction. Its bold black text and arrow on a white background provide clear, immediate guidance, helping reduce last-minute lane changes and preventing unsafe merging maneuvers. Commonly installed at multi-lane intersections, high-traffic corridors, and dedicated turn lanes, this sign improves traffic predictability and enhances intersection safety. Built from durable, reflective materials, the LEFT LANE MUST TURN LEFT sign maintains excellent visibility in both daytime and nighttime conditions, ensuring reliable performance in all weather environments.




