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Our team is in Arizona this week for the commissioning of TLACS (Nyx Intelligent Lighting Control System) in the Mule Tunnel, where 188 LED luminaires have been installed.  Built 65 years ago, the 1,400-foot-long Mule Tunnel saves 10 minutes on the road through the Mule Mountains, at 6,030 feet above sea level, on US 80.