货运方面，7月份，全国铁路完成货运发送量4.52亿吨，同比增长4.5%；完成货运周转量3042.17亿吨公 里，同比增长6.5%。从分品类运输情况看，7月份，全国铁路发送煤炭2.35亿吨、集装箱0.93亿吨，同 比分别增长3.3%、16.4%，重点物资运输保障有力，为国民经济平稳运行提供了有力支撑。 据悉，今年前7个月，全国铁路固定资产投资完成4330亿元，同比增长5.6%，铁路规划建设高效推进。 本报北京8月15日讯（记者齐慧）从国家铁路局获悉，7月份全国铁路客货运量稳步提升，运输安全持续 稳定，有效满足了暑期旅客出行和货物保供需求。 客运方面，进入暑期以来，学生流、旅游流、探亲流等出行需求旺盛，铁路客流保持高位。7月份，全 国铁路完成旅客发送量4.55亿人次，同比增长6.6%；完成旅客周转量1770.69亿人公里，同比增长 5.7%。今年前7个月，全国铁路完成旅客发送量26.91亿人次，同比增长6.7%；完成旅客周转量9766.50 亿人公里，同比增长3.3%。 （文章来源：经济日报） ...

Core Viewpoint - The article discusses the upcoming changes in China's railway operation schedule, highlighting the introduction of new high-speed sleeper trains connecting major national city clusters, which aims to enhance passenger and freight transport capacity, service quality, and operational efficiency [1][2]. Group 1: New Train Operations - Starting from July 1, a new train operation schedule will be implemented, with ticket sales beginning on June 17 [1]. - The new schedule will introduce high-speed sleeper trains between Beijing and Chengdu, Beijing and Guiyang, Shanghai and Chengdu, Shanghai and Yibin, and Taiyuan and Shenzhen, with two trains on each route [1]. - A total of 13,302 passenger trains will be scheduled, an increase of 236 trains compared to the current schedule [1]. Group 2: Freight and Passenger Capacity - The number of scheduled freight trains will increase to 23,635, up by 39 trains from the current schedule, improving overall transport capacity [1]. - The introduction of benchmark trains on key high-speed rail lines will enhance connectivity and economic exchanges in the regions [1]. Group 3: Regional Economic Development - The opening of the Chongqing East to Qianjiang section of the Yuxia high-speed railway will facilitate 18 train services, with additional services connecting Chengdu and Chongqing to cities like Changsha and Nanchang [2]. - Travel times from Chongqing and Chengdu to Changsha will be reduced by 1 hour and 18 minutes and 50 minutes, respectively, supporting the development of the Chengdu-Chongqing economic circle and the Yangtze River economic belt [2]. Group 4: Service Optimization - The railway department will optimize high-speed passenger services by adding trains and increasing stops on certain routes to enhance network accessibility [2]. - New "G" class trains will operate between Yinchuan and Chongqing, taking 9 hours and 22 minutes for the journey, while four regular trains from Shanghai to Nanning will be upgraded to "D" class trains, reducing travel time to 18 hours and 43 minutes [2].