It was opened to traffic in 2025. Chongming will build a subway 19 line to connect with the urban area. Line 9 passes through Changxing and Chongming, and the whole plan has been decided. This year will be reported to the National Development and Reform Commission for approval. After approval, it can be included in the 13th Five-Year Plan. Chongming Line 19 has been reserved for the track, and the construction speed is relatively faster.