August 18，First adopted in Gansu Province“ Entrust -Construction-Operate”（EBO）Model implementation and“Highway+Lu Yan”Key highway projects with deep integration of transportation and tourismGLine 312 Qidun to Guazhou Highway is open to traffic。

GQigua Highway 312 starts at Qiaowan.，Arranged from east to west along the existing road，On the Lanzhou-Xinjiang Railway，Underpass Lanzhou-Xinjiang Passenger Transport Line 2，Successively through the Bulongi service area、Level intersection of Shuangshi Road、G30 Twin Tower Interchange Level Intersection、Twin Towers Farm、After the north dry ditch，End Point andGLine 312K3149+200 places are connected in sequence，The total length of the route is 66. 274 kilometers，Use the existing road as a，Standard construction of a new two-way four-lane first-class highway，Design speed 80 km/Hour。

For the first time in China, the project has implemented the comprehensive treatment of subgrade salt prevention and isolation.、Steel slag pavement structure layer、Graphene composite rubber modified asphalt pavement, etc.“Four new technologies”，It is a model project of highway construction in Hexi region and Gobi region.。

During the construction of Qigua Highway Project，Exploration and Practice of Transportation Industry in Gansu Province“Government-led，Enterprise operation”YesEBOPattern，It effectively makes up for the problem of insufficient funds for project construction.。At the same time，As the first in Gansu Province,“Highway+Lu Yan”Highway construction projects with deep integration of transportation and tourism，The project connects the Gobi scenery along the line.、Wetlands、 Grassland 、Desert、Historical places of interest，The local Shuangta Reservoir is connected in series with the existing Shuangshi Highway.、Hulu River Wetland、Populus euphratica forest、Ruins of Suoyang City、Wetland features such as Yulin Grottoes、Oasis style、Site style and features，To form a tourist corridor of Shuangshi Road based on the main traffic flow line.，Construct Guazhou County connecting Jiuquan City、Subei County、Aksay County、Dunhuang's Small Tourist Ring Line，Build and Mogao Grottoes、The Golden Tourist Route of Mingsha Mountain and Crescent Spring，Forming the Great Dunhuang Cultural Tourism Economic Circle“Eastern landscape group”。

Relying on the construction of Qigua Highway，The project builders synchronously built the Twin Towers Green Service Area.，Fully integrate with the local natural environment，Photovoltaic power generation is used、Passive room、Reclaimed water reuse and other environmental protection、Low carbon、Energy-saving technology，Achieve resource conservation、Ecological environmental protection、Service improvement，Drive ecological benefits，Realize the sustainable development of service area construction。

The completion and opening of Qigua Project，It also directly opened the second fast passage from Yumen to Guazhou.，To improve the construction of three-dimensional transportation network in Jiuquan area，Improve the overall road network operation efficiency in Gansu Province，Promote the development of local tourism，Further accelerate the cooperation between Gansu and Qinghai、Regional Economic and Social Development in Xinjiang、Cultural blending plays a positive role in promoting。