甘肅北仙高速公路

甘肅北山（蒙甘界）至仙米寺（甘青界）高速公路是連接蒙、甘、青三省區之間的一條南北大通道。中交二公局承建北仙高速公路2個路基標段和1個路面標段，包括78.52公里路基橋隧和103.77公里路面施工任務，攻克了風積沙路基施工等技術難題。

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.