Cross-Harbor Tunnel Lighting System

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    The Cross-Harbour Tunnel is the first tunnel in Hong Kong that was built under water. Since its construction, traffic has increased for it to become the busiest route in Hong Kong and among the busiest tunnels in the world. As of March 2005, 121,700 vehicles were using it daily. In this project, two sets of redundant PLCs which located at two ends of tunnel for receiving and calculating the signal of luminosity from luminance photometers. Several stages of illumination could be output to EIB system for providing continuously changes of illumination at tunnel entrance.

Cross-Harbour Tunnel


System Structure

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