中交一公局集团昌金改扩建SSZ1标新建新余互通顺利开通

Core Viewpoint - The successful opening of the Xinyu Interchange marks a significant step in enhancing regional traffic service functions and improving traffic efficiency as part of the Changjin expansion project, laying a solid foundation for the completion of subsequent projects [1] Group 1: Project Overview - The Changjin expansion SSZ1 section has a total length of 46.518 kilometers and is a key component of the Jiangxi Province highway network adjustment plan, completing the "Ten Vertical, Ten Horizontal, and Twenty-One Connections" framework [1] - The new Xinyu Interchange is the most challenging control project under the "construction while traffic" conditions along the entire line [2] Group 2: Construction Techniques and Efficiency - The project utilized "modular prefabricated assembly" technology, which shortened the construction period by 40% through factory prefabrication of components like toll islands and steel canopies [2] - Smart monitoring and dynamic traffic organization were employed to ensure zero accidents throughout the construction process [2] Group 3: Design and Traffic Improvement - The new toll station features a design that honors the industrial heritage and natural beauty of Xinyu, embodying the "small but beautiful" city brand [2] - The station includes 10 lanes, with 8 being self-service, equipped with overload detection systems that achieve "second-level detection and automatic interception," resulting in over a 40% improvement in traffic efficiency [2] - The opening of the Xinyu Interchange lays the groundwork for advancing the entire Changjin expansion project, pushing it into the critical phase of auxiliary engineering, and aims for the completion of an eight-lane highway by the end of 2025, significantly enhancing the radiation capacity of the Hukun Expressway in the western Jiangxi region and supporting high-quality regional development [3]