海南首条双向八车道高速公路正式通车

Core Points - The first dual-direction eight-lane expressway in Hainan Province, the Yangpu Port Expressway, was officially opened on December 30 [3][5] Investment Overview - The total investment for the project is estimated at 7.332 billion yuan, with a total length of 35.338 kilometers, including a main line of 33.037 kilometers and a connecting line of 2.301 kilometers [3] - The main line is designed to standard expressway specifications with a speed limit of 120 km/h, while the connecting line follows a first-class road standard with a speed limit of 80 km/h [3] Infrastructure Details - The expressway features 16 bridges and 6 interchanges along its route [3] - It is recognized as Hainan's first smart expressway, utilizing a "smart construction site" platform for digital management throughout the project [4]