Group 1 - The core viewpoint emphasizes the importance of transportation infrastructure projects in driving economic growth and supporting high-quality development in the region [1][2] - The Xi'an Metro Line 15 is highlighted as a key project that connects urban development with public welfare, promoting the "subway life circle" to enhance consumption and economic vitality [1] - The Xi'an to Xingping Expressway expansion is identified as a significant project for accelerating the integration of Xi'an and Xianyang, with a focus on ensuring safe and smooth operation upon completion [2] Group 2 - The provincial leaders stress the need for continuous investment in key projects, which are seen as the "ballast stone" for economic development, and the importance of maintaining focus and endurance in project execution [2] - There is a call for leveraging government investment to attract more financial and social capital, optimizing resource allocation, and enhancing project lifecycle support [2] - The emphasis is placed on implementing projects that have long-term benefits for the public and those that incorporate innovative and sustainable elements to drive qualitative and quantitative economic growth [2]