Encoded Trivia #47

About This Answer

Yield signs have three sides, an inverted triangular shape that provides instant recognition and directional guidance for drivers. According to the Federal Highway Administration, the triangular yield sign was adopted internationally to create a unique shape distinct from other traffic control devices. The Manual on Uniform Traffic Control Devices specifies the exact dimensions and color (white with red border) for yield signs. Traffic engineers chose the three-sided design because it points downward, naturally directing driver attention to the intersection. This geometric design has contributed significantly to road safety by providing clear right-of-way instructions.