A 3D model of a tunnel ahead warning sign, featuring a red border, white background, black tunnel icon, and metal pole. It has realistic texture and detailed design, suitable for road safety warnings and traffic signage.

A 3D model of a traffic sign, featuring a red-bordered triangular shape with a black 'X' symbol, and a high-visibility warning aesthetic. It has a low-poly design with smooth edges and is suitable for road safety visualization or traffic simulation.

A 3D model of a traffic sign, featuring red border, white triangular background, black right-pointing arrow, metal pole and a high-visibility warning aesthetic. It has low-poly 3D model with clean edges and is suitable for road safety, traffic guidance.

A 3D model of a road closure and detour sign with barriers, featuring rusted metal, black/yellow striped barriers, orange detour arrow, and "ROAD CLOSED" text, a high-visibility warning aesthetic. It has low polygon count and is suitable for road construction or traffic management scenarios.