The full line tunnel of Shanghai Metro Line 13 East Extension has been completed, and all station main structures have been topped off.

Reporter learned from Shanghai Metro that the Shanghai Metro Line 13 East Extension Project has achieved two key milestones: the sixth tunnel boring machine successfully completed the tunneling section from the Zhangjiang Road Station to the Wangjiabang Middle Ventilation Shaft on the upline; the last segment of the main structure at the Dan Gui Road Station was successfully completed. With this, the project has successfully completed tunneling for all tunnel sections and officially topped out all station structures, setting the stage for the following construction of connecting channels, installation of electrical and mechanical systems, and laying of tracks.