●全线长245公里，双向四车道 9月3日，九寨沟—绵阳高速公路（简称九绵高速）剩余24.7公里沥青路面铺筑完成，标志着九绵高 速主体工程全部完工，预计今年国庆假期前全线建成通车。 此次铺筑的路段位于绵阳市平武至木座段，该路段地处龙门山断裂带与虎牙断裂带交汇区域，地质 条件复杂，施工难度大。面对高海拔地区气候多变、施工窗口期短等挑战，参建团队紧密协作，通过倒 排工期、加大资源投入、24小时轮班连续作业等方式，全力保障工程进度。 ●设计时速80公里，桥隧比为82.04% ●成都至九寨沟的车程将缩短至4个小时左右 九绵高速自开建以来，已累计完成桥梁131座、隧道45座等重要主体施工，江油段、平武段、白马 段、九寨沟段和王朗段等多路段先后通车，项目累计通车里程达220.3公里。项目正在全面推进交工检 测工作，预计9月上旬全部完成。 作为连接川西北重要旅游目的地九寨沟与绵阳的交通大动脉，九绵高速全线长245公里，采用双向 四车道高速公路标准建设，设计时速80公里，桥隧比为82.04%。全线建成通车后，成都至九寨沟的车 程将由原来的8个小时缩短至4个小时左右，极大改善区域交通条件，同时也将结束九寨沟县不通高速的 历史。（ ...

Core Insights - The development of a comprehensive transportation network centered around Lhasa has significantly improved accessibility to various regions in Tibet, enhancing both tourism and local commerce [1][11][13] Transportation Infrastructure - The "Five Cities Three Hours" economic circle has been established, connecting Lhasa with Shigatse, Shannan, Nyingchi, and Nagqu, facilitating easier travel and logistics [1][11] - The total length of roads in Tibet has reached 124,900 kilometers, with high-grade roads like Lalin, Lazhe, and Larna being completed, contributing to the rapid transportation network [11] Tourism Impact - The tourism season has seen increased foot traffic in local businesses, such as a yogurt shop near the Potala Palace, which has expanded its operations fivefold since opening in 2007 [1][3] - Tourists have expressed positive feedback regarding the improved travel conditions compared to previous years, highlighting the ease of access to the region [1][3] Supply Chain and Logistics - The logistics sector has diversified, with a significant increase in the variety of goods transported to Tibet, including chemical and electronic products, alongside traditional items like food and construction materials [9] - The volume of goods transported through the Lhasa West Railway Freight Yard reached 3.5084 million tons, marking a 7.27% increase year-on-year [9] Local Business Growth - Local businesses, such as the yogurt shop, have benefited from improved transportation, allowing them to source fresher ingredients from farther locations, thus enhancing product quality [7][9] - The yogurt shop's daily sales have exceeded 1,400 servings, indicating strong demand and the need for expanded supply chains [5][7]