You shouldn't run red lights because it's dangerous.
Jane is driving in traffic while late to her work, and she approaches a red light.
Jane wants to pass the traffic light above the road.
Jane slows down and waits for the red light to turn green before speeding up and passing it.
Jane presses the gas pedal harder and speeds through the red light.
Jane is able to get to her work without incident and is happy about it.
Jane crashes into another car and has to deal with the legal consequences.