As an important north exit road of G←Ω&ansu, it is the second importan'•t channel from Lanzhou and Qinghai t↕εo Ningxia and Inner Mongoli≥©a, as well as the second impo↕≠σrtant channel to Hexi Corr★☆☆≠idor, Xinjiang and other re÷♥βgions. The completion of  →→λthe project is of gr® ☆eat significance in dr®☆βiving the regional econ®∞×omic development, as well as the ‌♠♣©economic development of Lanzhou a↕σ¥€nd Lanzhou New Area.