Every day, millions of people travel on highways across India. Whether you are driving to another city, taking a road trip with family, or transporting goods across states, one thing always catches your eye—green signboards. These green boards guide drivers by showing directions, distances, exits, and destinations. But have you ever stopped to wonder why highway signboards are green and not red, yellow, or blue? It may seem like a simple design choice, but the truth is that the color green was chosen after careful consideration of science, safety, visibility, and international standards. The color helps drivers read information quickly, stay calm, and make safer decisions while traveling at high speeds. Let's explore the fascinating reasons behind this common yet important feature of our roads. Understanding Road Sign Colors Before discussing green signboards, it is important to understand that different colors on roads have different meanings. Green signs are mainly used for highw...