国道338线中卫至孟家湾段公路全线沥青铺设完毕

Core Points - The asphalt paving of the Heishanxia Yellow River Bridge on the G338 highway from Zhongwei to Mengjiawan has been completed, with the entire G338 line expected to open by the end of the year [1] - The G338 project has a total length of 15.45 kilometers, with an additional 2.011 kilometers for the Shapotou South Bank Peninsula connecting line [1] - The project has faced significant construction challenges due to its high elevation, numerous bridges, and narrow working areas, making it one of the more difficult and larger-scale ordinary national highway construction projects in recent years [1] Investment and Economic Impact - The total fixed asset investment for the G338 highway from Zhongwei to Mengjiawan has reached 830 million yuan, with an engineering completion rate of 98% [1] - The completion of the project is expected to enhance the traffic capacity of the G338 line, ensuring safe and efficient transportation in Ningxia, and promoting economic and social development in Zhongwei and the broader Ningxia region [1] Technological Innovations - The project utilized high-elasticity and high-viscosity modified asphalt concrete for the Heishanxia Yellow River Bridge, and colored snow-melting modified asphalt concrete for high-standard applications on specific road sections [1] - These technological advancements not only improve road performance but also successfully integrate road functionality with ecological environment, creating a transportation landscape that reflects regional characteristics [1]