What To Do if You Encounter a Broken Traffic Light Don’t let a stuck red light get you down If you’ve ever wondered what to do at a stuck red light, you’re in the right place. Here are some practical steps to take to safely navigate this tricky situation. When everyone seems stuck at an intersection The first thing to do if you suspect a broken traffic light is to observe the cars around you. If other drivers at the intersection are also paused indefinitely, chances are the other traffic lights at the intersection are stuck on red.