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 crossroad warning sign, featuring triangular shape with red border, white background, and black cross symbol, and a minimalist aesthetic. It has accurate proportions and is suitable for road safety warnings.

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.