Infrastructure The Infrastructure category featured several examples of DALI installations in metro networks in different cities in China. One of these, the West Extension Line 7 of the Guangzhou Metro by MOSO Electronics Corp. was HIGHLY COMMENDED by the judges for its TECHNICAL merits. The intelligent DALI lighting system, which contains more than 7,500 DALI LED drivers, is integrated with the KNX building control system. DALI controls the light levels according to passenger flow. The lighting is used to define the public spaces, while also creating a healthier, safer and more comfortable lighting environment. Judges commented on the energy savings of 30% that were achieved, and the effective use of lighting to guide passengers in the underground areas and on the platforms.