When will the northern extension of Longlan Avenue connect with the outer ring be completed?

In 2023. The high-speed interchange project extending from the north of Longlan Avenue to the periphery is about to start construction. It is expected to start at the end of 2022 and be completed and opened to traffic in 2023. The trunk road is 2.88 kilometers long and has six lanes in both directions. The standard of urban expressway is adopted, and the design speed is 80 kilometers per hour. One side of the auxiliary road is about 1.8km long, and the total length of the ramp is 2.47km ... Longlan Avenue is located in Futian District, Shenzhen. Longlan Avenue is one of the seven horizontal and thirteen vertical projects in Shenzhen's three major campaigns and ten major actions. It is divided into four projects: Long Fu-Shenhua Interchange, the south section of Longlan Avenue (Shenhua Expressway Project), the north section of Longlan Avenue (Tianbei-Dashuikeng Road Project) and the north extension of Longlan Avenue from south to north.