Chengdu tianfu avenue south south extension line is big source business commercial core area is located on the west side, at the height of construction projects on the ground. And in the ground, a "new" quietly was born. Through to the underground space system, the integration of comprehensive transportation system, support system, to build the city of wisdom, green city, the city of efficiency in the "city of the future".

       In the image below, scenery east sichuan area manager and metro rail transit do high total and general d design institute in chengdu drove to big source underground pipe gallery for the visit. From tianfu a subsided after the tunnel entrance into the second street, to 100 m have entered chengdu first underground comprehensive utility tunnel project. As the head "is its" light guide lighting system gradually light up, underground scenery panoramic view.

       

Big source business commercial CBD underground roundabouts is the longest "underground passage" of chengdu, 2.8 km, is square, southeast of the northwest respectively parallel near tianfu avenue, tianfu second street, the profit avenue and tianfu a street. 2.8 km long lane width of 11 m, three lanes for one-way counterclockwise. Underground roundabouts daylighting application "is Rio" brand of advanced light guide lighting technology, realized the purpose of energy conservation and environmental protection, this also is the central and western regions the first comprehensive exploitation and utilization of underground space project.

Big source roundabouts have adopted national Olympic park underground large bursts of brilliance "is its" optical lighting system, 423 sets of light guide lighting distribution on the ground, through the 530 mm diameter light pipe, the light into the underground lane. The system soft bright not dazzling light, natural light illumination can provide at least 10 hours a day, can save electricity lighting energy consumption by 80%.

        Field controller introduces, in the road centerline layout on the ground "is its" light guide lighting system, surrounded by green belts, night light by light guide underground reflection to the ground, collector form unique color of the night light, make the system and landscape perfect combination, become a unique scenery line.