A 3D model of a triangular road narrowing warning sign, featuring red border, white background, black narrowing lines, and a metal pole, with a standard, highly visible traffic sign aesthetic. It has a low-poly 3D design and is suitable for road safety warnings to alert drivers of narrowing lanes.

A 3D model of a slope warning road sign, featuring a red and white triangular border, black slope pattern with "10%" text, and a road safety aesthetic. It has low polygon count and clean 3D rendering, suitable for traffic route safety information display.

A 3D model of a two-way arrow traffic sign, featuring a round red-bordered design with white background, red and black arrows, and a black-and-white striped pole, showcasing a clean functional aesthetic. It has low polygon count and is suitable for traffic scenario visualization.

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.