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Information analysis Information collection Information supply Control System structure diagram Effects of introducing the traffic control system		These message boards display letters, symbols and designs activated by remote control by the traffic control centers. The display elements use light emitting diodes which allow color to be used (red, yellow-green, orange), save electricity (uses 2/3 of electricity of small light bulbs), and lengthen board life. There are also high precision models with closely spaced display elements for providing information with complicated designs and illustrations.

©2007 Universal Traffic Management Society of Japan (Since 1993)