Group 1 - The Chengyu Expressway expansion project has received construction approval for the Chengdu section, allowing the project to proceed rapidly [1] - The project, invested and constructed by Shudao Group, spans approximately 189.7 kilometers, including 46.3 kilometers of reconstruction and 143.4 kilometers of new construction [1] - The design includes dual 8-lane and some sections with dual 6-lane configurations, with a speed limit of 100 km/h and some sections at 120 km/h [1] Group 2 - The project has a construction period of 3.5 years and is expected to be completed by the end of 2028 [1] - As a vital transportation artery in the Chengdu-Chongqing economic circle, it connects major cities in Sichuan, alleviating long-standing congestion and promoting efficient resource flow [1] - The daily traffic capacity of the main Chengyu corridor is projected to increase to 100,000 vehicles [1]

Group 1 - Sichuan Province has implemented various actions to enhance transportation infrastructure, achieving a total investment of 134.9 billion yuan in road and waterway construction in the first half of the year, ranking second in the country [1] - The Chengyu Expressway expansion project, a key initiative, is progressing with 72% of the lower structure completed, aiming for overall completion by the end of 2026 [1] - The G5 Jingkun Expressway expansion project is also advancing, utilizing 3D printing technology for road surface construction, improving efficiency by 20% and maintaining surface flatness within 3 mm [1][2] Group 2 - The Guangming Expressway expansion project spans 123.98 kilometers with a total investment of 29.19 billion yuan, and is expected to significantly reduce travel time from 2 hours to 70 minutes upon completion [2] - The Minjiang Port and Hydropower Comprehensive Development Project, with an investment of approximately 55 billion yuan, is progressing well, having completed 76,000 cubic meters of excavation for the ship lock project [2] - Sichuan Province aims to complete a total of 2.68 billion yuan in road and waterway construction investments by the end of the year, with a target of 2.8 billion yuan [3]