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Drivers always do not pay attention to the cars coming from both sides when driving through the intersection at night. Therefore, accidents always happen.
When the vehicle passes through 20 meters ahead of the intersection, it will run over a set of sensors. The sensors will enable the traffic lights at both sides start flashing yellow. As a result,they function as an alert to the vehicles coming from both sides of diretion.
1. The sensors composed of 5 sensing lines.
2. LED traffic lights are switched on with the aid of Piezo system.
3. After the vehicle passes through the Piezo system, the sensors will stop flas