A 3D model of a suspension bridge, featuring red steel towers, white cables, dark gray deck, and modern minimalist style. It has highly detailed clean lines and is suitable for architectural visualization or design references.

A 3D model of a narrowing road warning traffic sign, featuring triangular shape, red border, white background, black narrowing symbols, and metal pole, with visible, standard warning design. Detailed 3D rendering, suitable for road safety education and navigation integration.

A 3D model of a two-way traffic sign, featuring a red border, white background, and black up/down arrows, with a classic triangular warning sign design. It has low polygon count and high detail, suitable for road safety references and 3D traffic modeling.