国道318雅江城西至剪子湾段主体工程全面完工

Group 1 - The completion of the asphalt concrete paving work for the Yajian project marks the full completion of the main engineering work, laying a solid foundation for subsequent transportation projects and facilities along the route [1][3] - The Yajian project is a key part of the "Comprehensive Upgrade and Renovation Implementation Plan for National Highway 318," located in the Ganzi Tibetan Autonomous Prefecture of Sichuan Province, with a total length of approximately 13.9 kilometers [3] - The project, built at an average altitude of nearly 3000 meters, adopts a three-level highway technical standard with a design speed of 40 kilometers per hour, significantly improving the traffic capacity and safety level of National Highway 318 [3] Group 2 - The completion of the project will greatly enhance the travel conditions for local residents, promote economic and cultural exchanges, and facilitate tourism resource development in Yajiang County and surrounding areas [3] - The project is expected to have a milestone significance in promoting high-quality economic and social development in the western Sichuan plateau [3]