贵平高速通车运营，西部陆海新通道关键路段打通

Core Viewpoint - The G7522 Guiyang to Beihai Expressway, specifically the Guiyang to Pingtang section, has officially opened for operation, marking a significant development in the transportation infrastructure of the southwestern region of China [1][3]. Group 1: Project Overview - The Guiyang to Pingtang section of the G7522 expressway spans 174.018 kilometers with a total investment exceeding 39.2 billion yuan, featuring a high-standard design of six lanes in both directions and a speed limit of 100 km/h [1][3]. - The expressway connects Guiyang in Guizhou Province to the Guangxi region, linking to the Tian'e to Beihai expressway, thus enhancing regional connectivity [1]. Group 2: Economic and Social Impact - The completion of the expressway is expected to transform the transportation landscape of the surrounding areas and promote high-quality development in the southwestern region [3]. - Travel time from Guiyang to Pingtang has been reduced from 2.5 hours to approximately 1 hour, while the transportation distance to the Beibu Gulf Port has been shortened by nearly 200 kilometers, resulting in a reduction of over 4 hours in cargo transport time [3]. - The expressway features 12 toll stations designed with "narrow island + intelligent + intensive" concepts, achieving 100% ETC coverage and supporting mobile payments, which enhances traffic efficiency by 40% compared to traditional toll stations [3]. Group 3: Connectivity and Development - The expressway includes 5 hub interchanges, 13 access interchanges, and a 50.649-kilometer rural connecting line, effectively linking industrial parks, tourist attractions, and rural areas [3]. - As a key segment of the new western land-sea corridor, the Guiyang to Pingtang expressway will serve as an important passage for the central Guizhou economic zone to connect with the Chengdu-Chongqing economic zone, the Yangtze River economic belt, the Guangdong-Hong Kong-Macau Greater Bay Area, and countries involved in the Belt and Road Initiative, injecting new vitality into the southwestern region [3].