飞架京西交通“新动脉”

Core Viewpoint - The construction of the 108 New Line Expressway is progressing rapidly, showcasing the technical skills and perseverance of the builders, with significant advancements in tunnel and bridge construction [3][4]. Group 1: Project Progress - The construction site of the 108 New Line Expressway is bustling with activity, featuring nearly 400 workers and around 60 large machinery operating continuously [3]. - The Niujiao Hu Tunnel has surpassed the 1,000-meter excavation milestone, with workers operating in two shifts, 24 hours a day [3]. - The Hougang Tunnel, part of the project, has achieved over 700 meters of excavation, highlighting its importance as a key engineering component [4]. Group 2: Engineering Challenges - The Hougang Tunnel, measuring approximately 4.2 kilometers, faces challenges due to its location in a steep mountainous area, with a maximum height of 45 meters above ground [4]. - The project team is implementing strict process control to ensure safety and quality during construction, particularly in areas with lower rock strength [4][5]. Group 3: Infrastructure Development - The 108 New Line Expressway is designed not only as a transportation route but also to enhance disaster resilience and network flexibility in the western mountainous region [4]. - The project will facilitate better connectivity for local communities and promote ecological tourism, contributing to the green economy in the Beijing-West region [4].