It starts from Ma 'an Island, Cuiheng New District, Zhongshan, and ends at Shenzhen Baoan Airport. Shenzhen-China Corridor is a vital transportation infrastructure project, which starts from Ma 'an Island in Cuiheng New District of Zhongshan and ends at Shenzhen Baoan Airport. This project plays an important role in the traffic network. As a part of the national highway network G25 18, it is generally called Shenhua Bridge. The construction scheme of the deep middle passage is determined on 20 15. After intense construction in recent years, according to the latest progress, it is expected to be completed in 2023 ahead of schedule and opened to traffic in June 2024. The completion of the deep-middle passage will bring revolutionary changes to the traffic pattern between Shenzhen and Zhongshan, and it is no longer necessary to bypass Humen Bridge, and the driving time will be greatly shortened.