江苏在落实国家重大战略中展现担当作为强化区域协同，以一域之光为全局添彩

Core Viewpoint - Jiangsu province is committed to fulfilling its responsibilities as a major economic province by actively implementing national development strategies and enhancing its role in regional coordination and development [1][2]. Group 1: Infrastructure Development - Jiangsu is accelerating the construction of a modern comprehensive transportation network, with an expected investment of over 1 trillion yuan during the 14th Five-Year Plan, which is 1.6 times that of the 13th Five-Year Plan [3]. - The province has built 20 cross-river passages and has 9 under construction, with a total high-speed railway mileage of 2,594 kilometers, ranking first in the country [3]. - Jiangsu is also focusing on ecological protection, with PM2.5 concentration at 31.3 micrograms per cubic meter and a water quality compliance rate of 92.4% for national monitoring sections [4]. Group 2: Economic Integration and Open Development - Jiangsu is leveraging its advantages in the "Belt and Road" initiative, the Yangtze River Economic Belt, and the integration of the Yangtze River Delta to explore new paths for cross-regional collaboration and industrial interaction [5]. - The province's economic output in the Yangtze River Delta is projected to grow from 21.15 trillion yuan in 2018 to 33.17 trillion yuan by 2024, accounting for 24.7% of the national total [6]. Group 3: Regional Development and Coordination - The Yangtze River city cluster is expected to contribute 76.7% to the province's economic growth in 2024, with coastal areas achieving a GDP of 2.49 trillion yuan, a year-on-year increase of 5.9% [7]. - Nanjing is actively integrating into the Yangtze River Delta development strategy, establishing 28 innovation hubs and achieving a 100% connectivity rate for railway nodes in the metropolitan area [8]. - Xuzhou is positioned as a key growth driver, focusing on regional collaboration and enhancing its role in the national unified market [8].