abstract
Xianlai Expressway is an important part of G55 15 of Zhangjiajie-Nanchong National Highway in National Highway Network Planning (20 13-2030). It is also an important part of the 53 economic trunk lines from Laifeng to Kangding in the Outline of Waterway Traffic Development Plan for Deepening the Development of Western China, and it is also an implementation project of the mid-term adjustment plan of Hubei Province in the Twelfth Five-Year Plan. Upon completion, * * * will jointly build an east-west inter-provincial channel in Hubei Province with the Five Lines of Hubei Province's Twelfth Five-Year Plan Expressway (seven vertical lines, five horizontal lines and three rings) (Yangxin to Laifeng), strengthen the traffic links between eastern Chongqing, western Hubei and western Hunan, effectively shorten the travel distance from Chongqing and Chengdu to Changsha and Guangzhou, and become an important channel for convenient connection and rapid conversion of high-tech networks in relevant countries.
The line passes through Xuanen, Laifeng and Xianfeng counties in Enshi Prefecture, with a total length of 37. 1 13km, a design speed of 80km/h, a subgrade width of 24.5m, and a standard of two-way four-lane expressway, with a design load level of Grade I. There are 5 interchanges, 2 connecting lines and 3 ramp toll stations (corresponding to interchanges and hubs).
There are 0/9 bridges/kloc-0, totaling 4 178m, accounting for 1 1.26% of the total construction mileage. * * * There are 0/3 tunnels19299m in total, accounting for 52.0% of the total construction mileage. Passage/overpass 10, culvert 16.
The estimated total cost is 5.4125 million yuan, and the average cost per kilometer is146 million yuan.
Overpass (5)
Lijiahe Hub Interchange, Sanhu Hub Interchange, Bao Zhong Hub Interchange, Xianfeng South Hub Interchange and Xiao Mo Hub Interchange.
Service area (1)
Bao Zhong service area.
Connecting wire (2)
Sanhu Connecting Line: starts from Sanhu Interchange and connects with S248. The design speed is 40km/h, subgrade width is 10m, and mileage is1.97km.. ..
Bao Zhong Connecting Line: Bao Zhong Interchange is located near Yangjiadian, with a certain distance from Bao Zhong Town. In order to facilitate the development of local economy and the travel needs of local people, the connecting line in Bao Zhong is set as S248, with a design speed of 40 km/h, subgrade width of 10 m and mileage of 2. 10 km.
routine
The starting point is located in Erhuzhai Village, Lijiahe Town, Xuanen County, and a T-shaped intersection is set at ELK8 1+600 of Enlai Expressway. To the northwest, set up Sanhu Interchange in the north of Sanhu Township, laifeng county, and connect with S248; Continue to the northwest to Bao Zhong Town, Xianfeng County, and set up Bao Zhong Interchange in Yangjiadian Village to connect with S248; The line continues to move to the northwest, laying the line along the backflow ditch, setting up the Xianfeng South Interchange in the lime kiln to connect with S232, continuing along the backflow ditch to Xiaomo Village in Gaoleshan Town, and finally reaching the XQK82+ 100 of Qian Xuan Expressway, where a T-shaped hub interchange is set up to connect with Qian Xuan Expressway.
job schedule
It has not started yet. Since the project was reorganized into a national expressway in 20 13, the feasibility report must be submitted to the relevant national ministries for approval. At the same time, the project was not included in the Twelfth Five-Year Plan of the Ministry of Transport, so the construction of 20 15 could not be started.
preparatory work/be about to work
201165438+1October 2 1 The report on water and soil conservation scheme of Laifeng-Xianfeng section of Zhangjiajie-Nanchong Expressway in Hubei Province passed the technical examination organized by the Ministry of Water Resources in Enshi.
2065438+On July 2, 2004, the preliminary examination and revision of the feasibility report of Xianlai Expressway were completed.
20 14 On May 23rd, the environmental impact report of Laifeng-Xianfeng section of Zhangjiajie-Nanchong Expressway (referred to as Xianlai Expressway) in Hubei Province passed the technical review organized by the Ministry of Transport in Enshi.
20 1 165438 2003129 October, the feasibility study report of Zhangjiajie-Nanchong Expressway (referred to as Xianlai Expressway) from Laifeng to Xianfeng passed the pre-examination by Wuhan experts.
20 12, 10 year120 October, the ecological impact report of Laifeng-Xianfeng expressway construction project on Zhongjianhe giant salamander national nature reserve passed the evaluation.
201March 16, Hubei Provincial Department of Transportation determined the connection scheme of Xianlai Expressway, Enlai Expressway and Qian Xuan Expressway in principle.
20111218. The Hubei Provincial Department of Transportation and Enshi government signed a cooperation agreement to speed up the transportation development of the experimental area for economic and social development of ethnic minorities in Wuling Mountain area of Enshi, supporting Enshi to speed up the construction of Xianlai Expressway.
On September 20 1 1 year, the feasibility study of the project was started.
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