西南省份霸榜！高速公路里程最长5省云桂川黔占4个

Core Insights - The rapid expansion of the highway network in the southwestern region of China is driven by improvements in transportation infrastructure and increased investment to stabilize growth [1][2] Group 1: Highway Network Expansion - In the 2024 national highway mileage ranking, Guangdong remains first for over a decade, but Yunnan, Sichuan, Guangxi, and Guizhou have entered the top five [1][2] - The total highway mileage for these provinces in 2024 is projected to reach 40,170 kilometers, accounting for over 20% of the national total [2] - The G8513 highway from Jiuzhaigou to Mianyang, which took nine years to complete, will significantly reduce travel time from Chengdu to Jiuzhaigou from 8 hours to 4 hours [1][2] Group 2: Historical Development - During the "12th Five-Year Plan," Sichuan and Guizhou advanced significantly in highway rankings, reaching 5th and 8th place by 2015 [3] - Yunnan saw substantial growth during the "13th Five-Year Plan," adding 5,000 kilometers of highways by 2020, which was 1.25 times the mileage at the end of the previous plan [3] - Guangxi's highway development accelerated during the "14th Five-Year Plan," achieving over 10,000 kilometers of total mileage by 2024 [3] Group 3: Future Plans and Challenges - By 2025, Guizhou plans to complete an additional 500 kilometers of highways, while Sichuan aims for 900 kilometers, leading among provinces [4] - The rapid expansion of the highway network is accompanied by significant investment and operational pressures, with high construction costs and long payback periods [6] - The average construction cost for highways in Guizhou can reach up to 2 billion yuan per kilometer, while the Jiuzhaigou-Mianyang highway has a cost of approximately 1.67 billion yuan per kilometer [6] Group 4: Policy Measures - Yunnan's government has introduced policies to promote the integration of highway development with related industries to enhance economic benefits [7][8] - The policies encourage the establishment of "highway + industry," "highway + tourism," and "highway + renewable energy" initiatives to improve overall revenue [8] - The focus is on optimizing existing highway assets and enhancing operational service levels through specialized and market-oriented approaches [7][8]