Core Insights - The recent opening of several highways in China has significantly enhanced travel opportunities for self-driving enthusiasts during the National Day and Mid-Autumn Festival holidays, showcasing engineering achievements and natural beauty [1][4]. Group 1: New Highways and Their Impact - The Jiuzhaigou (Ganchuan Border) to Mianyang section of the Jiuzhai Highway, spanning 245.8 kilometers, features an 82.15% bridge-tunnel ratio, reducing travel time from Chengdu to Jiuzhaigou from 8 hours to 4 hours [1]. - The Hunan Luzi Highway connects major tourist attractions like the Three Gorges and Zhangjiajie, shortening travel time from Zhangjiajie to the Three Gorges by 1.5 hours, thus boosting regional tourism [2]. - The Suida Highway in Jiangxi, measuring 127 kilometers, creates a "one-hour cultural tourism circle" by linking popular scenic spots, promoting economic and cultural integration in the region [3]. Group 2: Engineering Innovations - The construction of the Jinling No. 1 Bridge on the Luzi Highway utilized advanced techniques such as a hanging basket system and smart monitoring, completing the project 35 days ahead of schedule [2]. - The Suida Highway employed over 40 advanced technologies, including hydraulic tower lifting and "high-pile robots," to overcome environmental and geological challenges [3]. - The G331 National Road in Jilin adopted a creative approach combining mountain cutting and carbon dioxide blasting, reducing transportation distance by 80% and saving nearly 5 months in construction time [3].