Overhead signboards are large-format directional and informational signage systems installed above roadways, corridors, or movement areas to provide clear guidance, lane information, and advance directions to road users and pedestrians. These signboards are designed to ensure high legibility from long distances and are typically used on highways, flyovers, junctions, industrial campuses, railway stations, airports, and commercial complexes where ground-mounted signs may not offer adequate visibility. Overhead signboards are manufactured using structural-grade aluminum panels, high-intensity or micro-prismatic retro-reflective sheeting, and corrosion-resistant support frameworks to withstand wind loads, vibration, and prolonged outdoor exposure. Their layout, typography, symbol usage, and mounting height are engineered in accordance with applicable traffic and infrastructure standards to ensure uniformity and quick comprehension at operational speeds. By improving directional clarity, reducing last-moment lane changes, and enhancing traffic flow efficiency, overhead signboards play a vital role in safe navigation, systematic traffic management, and regulatory compliance.