渝昆高铁川滇段完成架梁 全线通车后从成都到昆明约3小时可达

Core Points - The Yukun High-Speed Railway is a crucial part of China's "Eight Vertical and Eight Horizontal" high-speed rail network, specifically the Beijing-Kunming corridor, spanning approximately 700 kilometers with a design speed of 350 km/h [2][3] - The railway is being constructed in segments, with the Yuyi section (Chongqing West to Yibin) having opened on September 29, 2024, while the Sichuan-Yunnan section (Yibin to Yanjin South) and the Yunnan section (Yanjin South to Kunming South) are under accelerated construction [3][4] Construction Progress - The Yukun High-Speed Railway will reduce travel time from Chongqing to Kunming from the current 5 hours to approximately 2 hours upon completion, with the Chengdu-Yibin High-Speed Railway connecting to form a high-speed corridor with a travel time of around 3 hours between Chengdu and Kunming [3][4] - As of October 8, 2023, all box girders for the Yukun High-Speed Railway Sichuan-Yunnan section have been successfully erected, laying the groundwork for timely completion of the entire railway [3] - The Sichuan-Yunnan section is approximately 95 kilometers long and includes four stations: Yibin, High County, Junlian, and Yanjin South, with the main station works nearing completion and track laying progressing efficiently [4]