引入成都站工程取得关键突破

Group 1 - The Chengdu-Chongqing high-speed railway has achieved a significant breakthrough with the successful completion of signal replacement and track switching at Bali Station, facilitating the line's official entry into Chengdu Station [3] - The construction involved over 900 workers and lasted for 330 minutes, marking a critical step in the project [3] - The project required rerouting existing railways to create space for construction, involving a total of 643 meters of track adjustments and the activation of 3.2 kilometers of new track [3] Group 2 - The Chengdu-Chongqing high-speed railway spans approximately 292 kilometers with a designed speed of 350 kilometers per hour, significantly reducing travel time between Chengdu and Chongqing [4] - The completion of this railway is expected to greatly enhance travel convenience for residents along the route and contribute to the development of the Chengdu-Chongqing economic circle [4] - The project plays a vital role in the broader context of western development strategies in China [4]