A 3D model of a no entry traffic sign, featuring a circular red background with a white horizontal stripe and a worn, weathered appearance in a vintage style. It has detailed, realistic textures and is suitable for traffic simulation, education, or digital art. (Category corrected to: Traffic & Safety Signs)

A 3D model of a traffic warning sign, featuring a triangular red border, white background, and red, yellow, green circular symbols. It has a classic warning style with high detail, suitable for traffic safety scenarios and road design references. （类目纠正：原"Other"不准确，应为"Traffic Warning Sign"）

A 3D model of a road traffic sign, featuring triangular shape with red border, white background, black arrow, and metal pole, and a warning-style aesthetic. It has low polygon count and is suitable for traffic warning, road engineering, or educational use.

A 3D model of a traffic warning sign, featuring a triangular shape with a yellow background, red border, and black icon of a worker with a shovel and dirt. It has detailed 3D modeling with clean edges and precise proportions, suitable for road construction zones to alert drivers of potential hazards.