湖南又有两条高速公路通车

Core Insights - The G7221 Hengnan Expressway segment from Chengbu to Longsheng officially opened on December 26, enhancing the transportation network in Hunan province and connecting it to Guangxi [2] - The G59 Hubei-North Expressway segment from Zhangjiajie to Guanzhuang also opened, contributing to the completion of Hunan's "seven vertical and seven horizontal" expressway network [3] Group 1 - The G7221 Hengnan Expressway spans 51.790 kilometers, featuring 4 interchanges, 3 toll stations, and 1 service area, with a maximum speed limit of 120 km/h [2] - The project includes 57 bridges and 8 tunnels, with a bridge-tunnel ratio of 57.3%, significantly improving regional transportation conditions [2] - The completion of this expressway segment is crucial for Hunan's integration into the new western land-sea corridor, promoting rural revitalization and regional economic development [2] Group 2 - The G59 Hubei-North Expressway segment measures 25 kilometers, built to a dual four-lane highway standard, with 33 new bridges and 3 tunnels, and a bridge-tunnel ratio of 72.7% [3] - The operational speed is set at 110 km/h for most sections, except for two tunnels designed for 100 km/h [3] - The opening of this segment is expected to reduce logistics costs by 30%-40% for industries along the route in Yunling County [3]