Group 1 - The core point of the article is the successful completion of the load test for the Baihua Lake Bridge, a key project in the Gui'an expansion project of the Hu-Kun National Highway, which lays a solid foundation for the entire line to be opened to traffic [2] - The Baihua Lake Bridge spans 1,086 meters and features a mixed beam single-tower cable-stayed bridge design, making it the largest of its kind in the province [2] - The load test consisted of static and dynamic tests, confirming that the bridge meets design requirements with stable force, smooth line shape, and stable cable force [2] Group 2 - The Gui'an expansion project, led by Guizhou Expressway Group, involves multiple stakeholders and spans 90.722 kilometers, connecting the Guanshanhu District to Puding County [2] - The project is designed to highway standards with a speed limit of 100 kilometers per hour and will become the first smart highway in Guizhou, significantly contributing to regional economic development and rural revitalization [2]