The key breakthrough has been achieved in the connection project between Chengdu-Chongqing Intercity Railway and Chengdu-Dazhou-Wanzhou High-speed Railway Hub.

This morning, the two key connecting tunnels at Lezhi Station in Ziyang, Sichuan - the Songjiawan downhill tunnel and the Pujiagou uphill tunnel - were successfully connected, marking a key breakthrough in the hub connection project between the Chengdu-Chongqing Intercity Railway and the Chengdu-Dazhou-Xi'an high-speed railway.