LUBBOCK, Texas–You pull up to a four way stop, and the light is red. No big deal you take this opportunity to change the radio station. Then you realize the light is stuck on red.
Can you go through? What way can you go? Stoplights, function through a combination of timers, sensors and control systems. At intersections, they regulate the flow of vehicles and pedestrians.
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Attempt to engage the sensor
If you notice the traffic lights are working for the other roads in the cross section, that might mean the electromagnetic sensors in the pavement didn’t register your vehicle coming to a stop at the light. If your vehicle’s the only one at the light, try backing up and driving over the sensors again to see if your car can trigger them…