The infrastructure project around the Sonya Lake in Changsha County is composed of key projects including Xiangdi Road, Laodaohe South Road, Wanming Road and four branches around the Sonya Lake, which constitute the traffic artery in Songya Lake Ecological Park. Xiangdi Road is 2.25 km long; Laodaohe Road is 3.2 km long, Wanming Road is 3.92 km long, and the branches around the Sonya Lake are 3.152 km long in total. The project was awarded the National Gold Cup Municipal Demonstration Project.