Traffic lights to send you dotty

摘要

By the time you read this, Committee LG-006, Road Traffic Signals should have completed the new edition of AS/NZS 2144-2002, Traffic signal lanterns to replace the 1995 edition. The scope of the revised Standard includes traffic signals using light emitting diodes [LEDs] as the light source, thus opening the door for potentially huge savings in energy and maintenance costs offered by this technology.