4.5m Height Restriction Road Sign - Official Traffic Warning Symbol #2008356 (License: Personal Use)

The sign features a red border, white background, and black numerals “4.5m” centered between two opposing black triangles, indicating vertical clearance. It follows international traffic sign conventions (e.g., Vienna Convention) used in Europe, Australia, and many other regions to warn of low bridges, tunnels, or overhead structures. Drivers of tall vehicles must heed this warning to avoid collisions or legal penalties.

Used on roads approaching low-clearance infrastructure such as bridges, tunnels, railway overpasses, or industrial gateways. Matches user intent for traffic safety awareness, route planning for commercial vehicles, or driver education materials.