Welcome to CYUIY. You are welcome to download and use this APP. Our team will continue to optimize the APP and improve the user experience.
Characteristics of the warning sign: the color is yellow base, black edge, black pattern, shape is equilateral triangle, top corner facing up.
The APP mainly provides traffic warning signs and the meaning of each sign. Users can learn through the APP. By randomly generating target signs, users need to judge and find the corresponding interpretation to help users deepen their learning of warning signs.