May I suggest you research that analogy? http://en.wikipedia.org/wiki/Traffic_light_control_and_coordination http://en.wikipedia.org/wiki/Traffic_light_control

May I suggest you research that analogy? http://en.wikipedia.org/wiki/Traffic_light_control_and_coordination http://en.wikipedia.org/wiki/Traffic_light_control_and_coord... http://www.state.nj.us/transportation/business/videolog/ http://www.state.nj.us/transportation/business/videolog/ "The New Jersey Department of Transportation (NJDOT) maintains traffic cameras on many interstates and other New Jersey State highway systems. The cameras are mounted on poles and record traffic conditions, traffic delays, incidents and weather conditions. They are monitored around the clock at NJDOT's Statewide Traffic Management Center. In the Department's video camera system, video is recorded and retained at NJDOT for seven (7) days. " You were saying?