Group 1 - The core point of the article is that Sichuan Road and Bridge has signed a significant contract worth approximately 11.596 billion yuan for a highway expansion project [1] - The contract was signed between the company's wholly-owned subsidiary, Road and Bridge Group, and Sichuan Chengnei Yuzhou Highway Co., Ltd. [1] - The project includes various engineering works such as subgrade, bridges, culverts, tunnels, slope greening, pavement (reconstruction and expansion), and traffic safety (reconstruction and expansion) [1] Group 2 - The total contract amount is approximately 11.596 billion yuan [1] - The total duration for the contract segment is set at 39 months [1]