Legal analysis: Xu Yixin, deputy director of the Provincial Development and Reform Commission and full-time deputy director of the Provincial Railway and Airport Construction Office, said that in terms of railways, the Sichuan high-speed rail corridor will be optimized and improved, Yibin-Xichang-Panzhihua and Dali-Panzhihua railways will be planned and built, and Luzhou-Zunyi railway will be planned and studied;

Fully unblock the Sichuan-Changchun Expressway, plan and construct the capacity expansion and reconstruction project from Chengdu to Longchang in chengdu-chongqing railway, and plan and construct the Tianfu Station to Chaoyang Lake in sichuan-tibet railway, and strive to plan and construct the capacity expansion and reconstruction projects of Dazhou-Wanzhou and Guangyuan-Bazhong railways, and strive to plan and study the Zhaotong-Panzhihua railway;

Legal basis: Article 17 of the Regulations on Railway Safety Management in People's Republic of China (PRC) needs to build or rebuild a railway with a designed running speed of more than 1.20 km/h or a railway with a designed traffic volume meeting the larger traffic volume standard set by the railway industry supervision and management department in the State Council, and interchange facilities shall be set up.

Where it is necessary to build or rebuild expressways, first-class highways or urban roads where expressways and railways cross, interchange facilities shall be set up, and priority shall be given to the scheme of underpassing railways.

Where the completed railways and highways are grade crossings under the circumstances specified in the preceding two paragraphs, they shall be gradually transformed into grade crossings.

If the newly-built or rebuilt high-speed railway needs to cross ordinary railways, roads, aqueducts, pipelines and other facilities, priority should be given to the high-speed railway crossing scheme.