Jiannan Avenue comprehensive improvement and renovation project, the project is located in Chengdu Tianfu New Area, for the urban expressway design standard, the main design speed of 60 km/h, two-way six lanes, the secondary design speed of 30 km/h, one-way two-lane, route total length of 6462.716m, road red line width of 60m, the total investment of the project is about 320 million yuan.