“十四五”答卷·科技支撑强国建设|科技打造中国交通“新标杆”

Core Insights - China's transportation sector has achieved historic milestones during the "14th Five-Year Plan" period, with significant advancements in high-speed rail, highways, and logistics, showcasing the country's technological innovation capabilities [4][11]. Group 1: High-Speed Rail Developments - The CR450 train set a world record with a test speed of 453 km/h and a commercial operation speed of 400 km/h, marking a significant achievement in high-speed rail technology [6]. - The high-speed rail network has expanded to 48,000 kilometers, covering 97% of cities with populations over 500,000, with the "eight vertical and eight horizontal" network achieving 81.5% completion [5][7]. - The opening of the Chongqing to Qianjiang section of the Yuxia high-speed rail has ended the historical lack of high-speed rail in southeastern Chongqing [5]. Group 2: Major Infrastructure Projects - The Shenzhen-Zhongshan Link, a super-large transportation project, has created multiple world records and significantly improved connectivity in the Guangdong-Hong Kong-Macao Greater Bay Area [9]. - The Tian Shan Victory Tunnel, the world's longest highway tunnel, will reduce travel time across the Tian Shan mountains from 3 hours to 20 minutes, showcasing advancements in domestic engineering technology [10]. Group 3: Green Transportation Initiatives - The first domestic dual-fuel (methanol + diesel) vessel has successfully completed its first green methanol refueling, marking a key step in the green transformation of China's shipping industry [12]. - The first zero-carbon highway in China, spanning 161.9 kilometers, utilizes solar panels and innovative energy management technologies to achieve net-zero emissions during operation, with an annual carbon reduction of 61,000 tons [12]. - China has built 33 green highway demonstration projects and achieved nearly 100% coverage of shore power at ports, contributing to global sustainable transportation efforts [13].