Taijiu Expressway will be expanded to two-way eight lanes
November 07, 2023
November third，Shanxi Evening News reporter learned from the provincial development and Reform Commission.，Our province has approved it《About Qingdao-Yinchuan National Expressway from Jiuguan to Taiyuan（Shanxi-Hebei boundary to Shouyang Caizhuang）Feasibility Study Report on Section Reconstruction and Expansion Project》，This means that the reconstruction and expansion project of Taijiu Expressway has taken a key step forward.，After completion, the main line will adopt the standard construction of two-way eight-lane expressway.。
The section from Jiuguan to Taiyuan of Qingdao-Yinchuan National Expressway is《Outline of National Comprehensive Three-dimensional Transportation Network Planning》“Beijing, Tianjin and Hebei—Chengdu and Chongqing”An important part of the spindle，National Energy Transport、Our province is deeply integrated into the important channel of Beijing-Tianjin-Hebei coordinated development.；Expansion and reconstruction of this section，To improve the national highway network，Strengthen the external transport channels of our province，It is of great significance to promote the linkage development with the surrounding provinces.。
The starting point of the project is located in Jiuguan Village, Pingding County, Yangquan City（Shanxi-Hebei provincial boundary），It is connected with the reconstruction and expansion project of the section from Hebei Shijiazhuang to the boundary of Hebei and Shanxi of Qingdao-Yinchuan Expressway.。Total length of route: 100.68 kilometers（Section length in Jinzhong City: 34.98 kilometers、Section length in Yangquan City: 65.70 kilometers）。The construction period is 4 years.。The total investment estimate of the project is 180.9.3 billion（Project Investment Estimation in Jinzhong City 52.5.7 billion、Project Investment Estimation in Yangquan City 128.3.6 billion），Of which, the cost of construction and installation works is 134.2.2 billion，Adopt the mode of government toll road。
The project adopts the scheme of separating the old road from the new one.，Through Huaishupu to Wangkou Village，Set up Niangziguan to communicate withG307 connected，Through Baijing Town to Shimenkou Township，Set up Pingding East Interchange at the original Yangquan Service AreaGThe western suburbs of 307 are interconnected，Widen on one side of the section from Zhuangwo to Guanzhuang，On the north side of Guanzhuang Village, Yangquan South Interchange is connected with Guangyang Road.，After crossing the old road, the route is routed along the north side of the old road.，Cross the old road in the east of Sangzhang Village and turn to the south of the old road via Niejiazhuang Village，Build a new eight-lane road to Potou in parallel with the right one，Set the direction ramp to connect with the old road，Separate and widen the section from Tianjiazhuang to Jiujie，After that, the existing old street hub will be transformed.，Route into Shouyang County, Jinzhong City，Separate widening is adopted in the section from Jiujie Junction to Xiaozhuang.，The line from Xiaozhuang to Zhangjing is rerouted and newly built.，To the west, the section from Zhangjing to Yinlingzhi Town will continue to be separated and newly built，The section from Yinlingzhi Town to Xizhuang is widened on the south side of the old road，After crossing the Shijiazhuang-Taiyuan Railway, Shouyang Interchange is set up at Gaojiapo.（ConnectG307），Widening on both sides from Yukou to Nanyanzhu Town，Set up Shouyang West Interchange Connection in South Yanzhu EastG307 andS318，Unilateral widening is adopted from Nanyanzhu to Caizhuang East，Caizhuang Hub of Taiyuan Liaison Line of Qingdao-Yinchuan-Guangzhou Expressway under construction、The existing Qingdao-Yinchuan Expressway is connected。
According to the project function and traffic forecast results，The main line adopts the standard construction of two-way eight-lane expressway.，Design speed 80 km/H，Integral subgrade width 40.5 meters，Separated subgrade width 20.25 meters；The connecting line adopts the standard of four-lane first-class highway，Shouyang Interchange Connection LineL1 Design speed 60 km/H、Shouyang West Interchange LinkLDesign speed 80 kilometers per hour.。（Reporter Zhang Lei）
