北京拟对32.7公里二环主路进行大修

Core Points - Beijing plans to undertake major repairs on the 32.7-kilometer Second Ring Road, including maintenance of ramps, bridges, and underground passages [2] - The Second Ring Road, completed in September 1992, is China's first fully enclosed, fully elevated urban expressway, playing a crucial role in regional traffic and alleviating congestion in the core area [2] - The last major repair was conducted in 2002, and the road has since faced increasing traffic volume and deteriorating conditions due to rapid urban development [2] Summary by Sections Project Scope - The repair project will cover approximately 32.7 kilometers of the main road and 91.53 million square meters of total area, including ramps, bridges, and underground passages [2] - The auxiliary road repair will also span 32.7 kilometers, with a total area of about 75.01 million square meters [2] Engineering Design - The engineering design will encompass road bridges, landscaping, and lighting, with input from experts in planning, landscape, and greenery to create a cohesive design [3] - The design will integrate various professional opinions on landscaping, drainage, and lighting to form a comprehensive project plan [3] Traffic Management - Beijing's traffic and management departments have previously implemented multiple strategies to address congestion on the Second Ring Road, focusing on key bridge areas and ramps [3] - An optimization plan was developed to enhance traffic flow, resulting in a 25% increase in the efficiency of non-motorized vehicle lanes after the 2021 upgrade of the 51.7-kilometer slow-moving system [3] - During peak hours, the flow and average speed of non-motorized vehicles improved by 8% and 5%, respectively, enhancing the overall continuity, safety, and comfort of the slow-moving system [3]