Core Viewpoint - The "14th Five-Year Plan for Green Transportation" encourages the large-scale application of industrial solid waste in transportation construction, highlighting significant breakthroughs in the resource utilization of solid waste in the road transportation sector [1][5]. Group 1: Policy and Implementation - The Ministry of Transport has approved the completion of the pilot task for "Research and Industrial Application of Solid Waste Resource Utilization Technology," achieving all expected goals [1][2]. - The pilot project has established a comprehensive solution for the application of solid waste in road construction, effectively controlling environmental risks associated with solid waste [2][3]. Group 2: Achievements and Impact - Since the implementation of the pilot, a total of 493 million tons of various solid waste have been utilized across 102 kilometers of demonstration roads, resulting in a reduction of construction material costs by 500 million yuan and a decrease in carbon emissions by 61,000 tons [3]. - The pilot has successfully created a closed-loop system for solid waste resource utilization in road construction, covering the entire process from raw material selection to quality control [3]. Group 3: Technological Innovations - The research institute has developed innovative technologies for the resource utilization of phosphogypsum and electrolytic manganese slag, achieving significant breakthroughs in construction processes and establishing performance databases [4]. - Various special geotechnical treatment technologies have been developed and successfully applied in different climatic regions, addressing local solid waste material challenges [4]. Group 4: Local Initiatives - Jiangxi Province has pioneered the development of local standards for the use of lithium slag in roadbed engineering, resulting in cost savings exceeding 3 million yuan and a reduction in carbon emissions by 480 tons [5]. - Shanxi Province has effectively utilized over 200,000 tons of sandstone waste in road construction, significantly reducing costs and land occupation for waste storage [5].