FROM MANUAL CONTROL TO SMART SYSTEMS: THE JOURNEY OF TRAFFIC SIGNALS

THE EVOLUTION OF TRAFFIC SIGNAL LIGHT MANUFACTURING REFLECTS NOTABLE TECHNOLOGICAL ADVANCEMENTS AND INNOVATION. EARLY SYSTEMS WERE SIMPLISTIC, RELYING ON GAS LAMPS OR BASIC ELECTRIC BULBS, WHICH OFTEN RESULTED IN INCONSISTENT TRAFFIC MANAGEMENT. THE EARLY 20TH CENTURY INTRODUCED AUTOMATED SYSTEMS, WHERE MECHANICAL SIGNALS OPERATED ON TIMED INTERVAL