甘肃北仙高速公路

甘肃北山（蒙甘界）至仙米寺（甘青界）高速公路是连接蒙、甘、青三省区之间的一条南北大通道。中交二公局承建北仙高速公路2个路基标段和1个路面标段，包括78.52公里路基桥隧和103.77公里路面施工任务，攻克了风积沙路基施工等技术难题。

Gansu Beishan (Mongolia-Gansu border) to Xianmi Temple (Gansu-Qinghai border) Expressway in Gansu is the north-south pass that connects Mongolia, Gansu and Qinghai. CCCC Second Highway Engineering Co., Ltd. undertook 2 subgrade sections and 1 pavement section, including 78.52km subgrade, bridges and tunnels and 103.77km pavement construction, which overcame technical difficulties in the construction of aeolian sand subgrade.