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Science & NatureASSS
By JAYCHARM
Category: Science & Nature. Viewed 110 times. Created December 2013.     Disclaimer.   
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Heavy Traffic Approaches
Photoelectric Sensor activates and calculates how much traffic exactly
Makes a decision on Traffic
SLOW Timer Starts
Photoelectric Sensor recalculates









Light Traffic Approaches
Sign flips to STOP!
Timer Stops
Timer Begins for previous stopped Traffic to proceed
Sign flips to stop flowing traffic