达7538亿元！

Group 1 - The core viewpoint of the article highlights that from January to November this year, the national railway completed fixed asset investment of 753.8 billion yuan, representing a year-on-year increase of 5.9% [1] - The China National Railway Group has been advancing railway planning and construction in a scientific and orderly manner, aiming to build a world-class modern railway network [3] - Several key engineering projects have made positive progress, including the opening of the Panxian to Xingyi high-speed railway, which significantly promotes the development of tourism resources along the route [3] Group 2 - Other high-speed railway projects, such as the Xi'an to Yan'an, Guangzhou to Zhanjiang, and Hangzhou to Quzhou lines, have entered the trial operation phase, preparing for full-line operation by the end of the year [3] - The efforts are aligned with ensuring the successful completion of the railway "14th Five-Year Plan" [3]