"road sign"的定义和意义

What is a "road sign"?

A road sign is a sign placed along or above roads to communicate important information to drivers and pedestrians. These signs help control traffic, provide warnings, and give directions. Road signs can show speed limits, indicate upcoming hazards, or guide people to different routes or destinations. They come in different shapes and colors, with each design having a specific meaning. Road signs are essential for keeping traffic organized, ensuring safety, and helping travelers navigate their way.