A 3D model of a bicycle prohibition traffic sign, featuring a circular red border, white background, black bicycle icon, and metal pole, with a minimalist, functional aesthetic. It has low-poly 3D details and is suitable for road safety and traffic management.

A 3D model of a pedestrian traffic sign, featuring a red circular border, white background, and black walking figure icon, with minimalist regulatory design. It has high detail, clean edges, and is suitable for road safety simulations, architectural visualizations. (类目纠正：原Other → Traffic Signs)

A 3D model of a roadway traffic sign, featuring a red circular border, white background, black truck icon, "10 M" text, and directional arrows, with reflective materials and a metal pole. It has realistic 3D details and clean geometric shapes, suitable for roadway traffic control and restriction signs.

A 3D model of a weight limit traffic sign, featuring a circular red-bordered white background with "5TC" text and weight icon, and a clear warning style. It has low polygon count and is suitable for road safety and traffic management scenarios.