Core Viewpoint - The establishment of efficient intercity transportation networks is crucial for economic integration and cultural collaboration, serving as a key driver for coordinated urban development. The recent completion of the Suichuan to Dayu Expressway significantly enhances connectivity between Ganzhou and the Guangdong-Hong Kong-Macao Greater Bay Area, reducing travel time to 4 hours and facilitating trade and personnel movement [1][2]. Transportation Network Development - The Suichuan to Dayu Expressway, costing 24.45 billion yuan and spanning 127 kilometers, is part of a broader strategy to enhance transportation links between Jiangxi and Guangdong, with 7 cross-province expressways completed to date [1][5]. - Jiangxi and Guangdong have the highest density of expressways in the country, averaging one expressway every 50 kilometers, with plans for complete coverage of expressways in border counties [4][5]. Economic and Industrial Collaboration - The improved transportation network has led to deeper industrial collaboration between Guangdong and Jiangxi, exemplified by the "Bay Area R&D + Jiangxi Manufacturing" model, which has attracted major companies like Gree and BYD to invest in Jiangxi [1][11]. - In 2024, Jiangxi utilized 334.516 billion yuan from Guangdong enterprises, accounting for 30.52% of its total external project funding, highlighting the strong economic ties [11]. Population and Labor Mobility - The enhanced transportation infrastructure has significantly increased labor mobility, with 2.3 million workers from Jiangxi in Guangdong, and over 50,000 enterprises from Jiangxi operating in Guangdong [7]. - In 2024, Ganzhou is expected to receive 113 million domestic tourists, with 70% coming from Guangdong, indicating strong interprovincial tourism and economic interaction [7]. Future Developments - Plans for the Ganzhou-Guangzhou High-Speed Railway aim to further integrate Jiangxi into the "railway-based Greater Bay Area," enhancing connectivity and economic opportunities [8]. - The ongoing development of expressways and high-speed rail is expected to create a "dual-channel" transportation layout, facilitating even greater economic collaboration between the regions [8].

Group 1 - The completion of the Suichuan to Dayu Expressway, costing 24.45 billion yuan and spanning 127 kilometers, significantly reduces travel time from Ganzhou to the Guangdong-Hong Kong-Macao Greater Bay Area to 4 hours, enhancing personnel movement and trade flow [1][4] - The density of expressways between Guangdong and Jiangxi provinces is the highest in the country, with an average of one expressway every 50 kilometers, facilitating cross-regional collaboration and economic integration [3][4] - The "Bay Area R&D + Jiangxi Manufacturing" development model is gaining momentum, with major companies like Gree and BYD establishing operations along the expressway corridor, while Jiangxi enterprises are setting up R&D centers in Guangdong [1][6] Group 2 - The collaboration between Guangdong and Jiangxi is part of a broader trend where provinces like Guangxi, Hunan, and Guizhou are accelerating their integration with the Greater Bay Area, leveraging improved transportation networks for resource flow and industrial cooperation [2][8] - The establishment of a high-speed rail network, including the Ganshen High-Speed Railway, has integrated the Jiangxi region into the "2-hour economic circle" of the Greater Bay Area, enhancing economic connectivity [4][5] - Jiangxi's agricultural products, such as Gan Nan navel oranges and high mountain tea, benefit from improved logistics, achieving a 30% reduction in transportation costs and enabling rapid supply to the Greater Bay Area [6][7] Group 3 - The electronic information industry in Jiangxi is experiencing rapid growth, with a projected output nearing 1.2 trillion yuan in 2024, supported by deep collaboration with the Greater Bay Area, particularly in sourcing materials and equipment [7] - Companies from the Greater Bay Area are increasingly investing in Jiangxi, with over 140 industrial projects exceeding 100 million yuan in investment, indicating a strong industrial partnership [7][8] - The trend of "R&D/market in the Bay Area, production in other provinces" is emerging, expanding the industrial complementarity between the Greater Bay Area and surrounding provinces [8]