Group 1 - The construction of the Tong-Su-Jia-Yong High-Speed Railway and the Ru-Tong-Su-Lake Intercity Railway has made significant progress, with the completion of major engineering milestones [1] - The Tong-Su-Jia-Yong High-Speed Railway spans a total length of 300.9 kilometers with a design speed of 350 kilometers per hour, connecting key cities in the Yangtze River Delta region [1] - The Ru-Tong-Su-Lake Intercity Railway, approximately 280 kilometers long, aims to enhance the interconnectivity of the Yangtze River Delta region, facilitating a 1 to 1.5-hour travel time between major cities [1] Group 2 - Starting from July 1, a new train operation schedule will be implemented nationwide, increasing the total number of passenger trains in the Yangtze River Delta to 1,407.5 pairs and freight trains to 1,357.5 pairs [1] - The new schedule significantly reduces travel times between the Yangtze River Delta and various central and western regions, with the introduction of 46 benchmark trains on the Hukun High-Speed Railway Hangzhou-Changsha section [2] - The railway department has optimized train schedules and increased commuter trains to improve travel convenience for passengers [2]