When was the final tunnel joint installed on the only way across the Lingdingyang other than the Humen Pearl River Bridge?
Lingdingyang Lingdingyang () or Lingding Channel, the middle channel of the Pearl River estuary, it runs from Humen to Jiuzhouyang. The Humen separates Lingdingyang and Shiziyang the upper channel of the Pearl River Estuary in the north and the Jiuzhouyang the lower channel of the Pearl River Estuary at the southern tip of Xiangzhou and the western tip of Lantau all the way till the southern end of the Wanshan Archipelago. Currently, Humen Pearl River Bridge is the only bridge that crosses Lingdingyang at the northern end with Hong Kong–Zhuhai–Macau Bridge a bridge and tunnel across Lingdingyang is being built in the southern end of channel.
Tongling Yangtze River Bridge Tongling Yangtze River Bridge is a cable-stayed bridge near Tongling, Anhui, China. The bridge spans 432 m over the Yangtze River. The bridge carries four lanes of the G3 Beijing–Taipei Expressway.