How to Pick the Right Traffic Signal Heads for the Job

You probably drive past dozens of traffic signal heads every day without giving them a second thought, but there's actually a lot going on inside those glowing boxes that keep our roads from turning into total chaos. It's one of those things we take for granted until a bulb goes out or a storm knocks one sideways, and suddenly everyone forgets how a four-way stop works. If you're in the business of maintaining roads or planning intersections, you know that choosing the right equipment isn't just about picking a red, yellow, and green light—it's about durability, visibility, and making sure the thing doesn't fall apart after two years of baking in the sun. ...

May 5, 2026 · 6 min · Henriette Namdar