九寨沟结束不通高速历史

Core Points - The G8513 line from Jiuzhaigou to Mianyang has been completed after 9 years of construction, significantly reducing travel time from 8 hours to 4 hours to Chengdu [1] - This highway is the first to connect to Jiuzhaigou and ends the history of no expressway access for Pingwu and Beichuan in Sichuan, serving as a major corridor connecting Sichuan, Gansu, Qinghai, and Xinjiang [1] Infrastructure Details - The Jiuzhaigou-Mianyang Expressway is 245.809 kilometers long, built to a dual four-lane standard, with a design speed of 80 km/h, featuring 131 bridges and 45 tunnels, resulting in a bridge-tunnel ratio of 82.15% [1] - It is recognized as a typical demonstration project of a green highway by the Ministry of Transport of Sichuan Province, adhering to principles of maximum protection, minimum damage, and maximum restoration during its design phase [1] Tourism Impact - The completion of the expressway marks the entry of Jiuzhaigou into a "dual high" era of high-speed rail and expressway, enhancing travel convenience and safety [1] - Tourist reception in Jiuzhaigou has shown rapid growth, with 5.075 million visitors from January 1 to September 26, 2025, representing a year-on-year increase of 26.81%, and inbound tourists reaching 296,000, up by 52.51% [1] - The expressway will connect the rich tourism resources in Northwest Sichuan, facilitating a shift from "scenic spot tourism" to "whole area tourism" [1]