轨道交通运营里程将突破900公里

Core Viewpoint - The upcoming opening of three new subway lines in Beijing, including the middle section of Line 17, Line 18, and the southern extension of Line 6, will enhance the city's rail transit network, increasing the total operational mileage to 909 kilometers, marking a significant advancement in the capital's transportation capacity [7]. Group 1: Line Details - The total length of the new lines is approximately 30.1 kilometers, with the middle section of Line 17 spanning 8.2 kilometers and featuring four stations, including East Dajiao Station, which allows transfers to Line 6, and Yong'anli Station, which connects to Line 1 [9]. - Line 18, covering about 19.8 kilometers, serves as a major east-west route for the northern districts, featuring 11 stations, four of which are transfer stations, significantly easing commuting pressure for residents in large residential areas like Tiantongyuan and Huoying [10]. - The southern extension of Line 6 extends approximately 2.1 kilometers to Luyang Station, enhancing connectivity between the urban sub-center and the central city, which is crucial for improving green travel options [10]. Group 2: Design and Aesthetics - The design of the new lines incorporates unique artistic elements, such as the "Phoenix" theme at East Dajiao Station, which blends traditional culture with modern artistic expression, showcasing Beijing's international image [11]. - Line 18 features a "light and shadow tunnel" design theme, emphasizing a minimalist approach that balances economy, functionality, and aesthetics, creating a bright and welcoming atmosphere for passengers [11]. - Luyang Station on Line 6 employs a "bare concrete" design, which not only reduces construction costs but also enhances environmental performance, showcasing a modern aesthetic [12]. Group 3: Construction Innovations - The construction of these lines overcame significant challenges, including complex geological conditions and the integration with existing lines, demonstrating innovative engineering techniques and construction models [13]. - The middle section of Line 17 required intricate design to efficiently integrate multiple lines at East Dajiao Station while minimizing impacts on the surrounding environment [14]. - Line 18 is recognized as a smart construction demonstration line, utilizing advanced technologies such as flexible direct current traction power supply systems, which improve energy efficiency by 5%-10% compared to traditional systems [14]. Group 4: Impact on Urban Development - The opening of these new lines is expected to enhance service quality, operational efficiency, and urban integration, facilitating smoother urban connectivity and stimulating regional development [15]. - The new subway lines will provide safer, more convenient, and environmentally friendly travel options for residents, supporting the high-quality development of the capital and contributing to the creation of a harmonious and livable city [15].