What is what shape is a stop sign?

A <a href="https://www.wikiwhat.page/kavramlar/stop%20sign">stop sign</a> is an eight-sided shape, making it an <a href="https://www.wikiwhat.page/kavramlar/octagon">octagon</a>. This distinctive shape is used worldwide (though color and specific wordings may vary) specifically for this traffic control device to provide easy recognition, even from the back or in low visibility conditions.