陕西榆靖高速公路

陕西榆林至靖边高速公路是我国第一条沙漠高速公路。中交二公局承建的路基及交通工程位于陕西省榆林市，通过开展科技攻关，掌握了沙漠公路的压实原理、攻克了风积沙路基施工关键技术。榆靖高速公路荣获中国建设工程鲁班奖。

Shaanxi Yulin-Jingbian Expressway is the first desert expressway in China. CCCC Second Highway Engineering Co., Ltd. undertook subgrade and traffic engineering, which is located in Yulin, Shaanxi Province. By developing the key technology, the Company mastered compaction principle of desert highway, and overcame aeolian sand roadbed construction. Yulin-Jingbian Expressway won Luban Prize for Construction Project.