highway project from old lijiang to ninglang yi au-捕鱼游戏

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highway project from old lijiang to ninglang yi au

时间:2020/12/17 17:22:18 浏览:78次
the main line of the lijiang ancient city-ninglang yi autonomous county expressway starts from huaping county to lijiang on the southern side of lijiang near the guanpo expressway, followed by heqing county to guanpo expressway, via tuan shan, cultural street, yang chang, gaba village, yuanjiagou, yulu, the route is 90.14 km long, ending at kaiyuan bridge, south of ninglang yi autonomous county, and connecting with ningyong expressway. simultaneous construction of lijiang's north ring road, the route starts at the main russian hub and ends at 900 meters south of the lijiang west toll station on the dali-lijiang expressway. the route is 23.55 kilometers long. both the mainline and the northern ring road in lijiang are built to the standard of a four-lane expressway with a designed speed of 80kph and a roadbed width of 25.5 metres. simultaneous construction of two 4.99 km interconnection lines, of which: jinmian interconnection line 2.86 km, using the third-class highway standards, design speed 40 km/h, subgrade width 8.5 m; north ring line xintuan interconnection line 2.13 km, the standard of grade iii highway is adopted, the design speed is 40 km/h and the width of subgrade is 8.5 m. the main line of the project consists of 4 super-large bridges, 13 middle bridges, 53 bridges, 27 bridges and 7 middle bridges on the north ring road of lijiang, 4 extra-long tunnels, 6 long tunnels, 5 middle tunnels and 1 multi-arch tunnel there are 8 interchanges on the main line, lijiang north ring road facilities interchange 3 expressway management center (control sub-center)1 tunnel management office 3, tunnel substation 5, maintenance area 2, highway road management station 2, highway traffic police management station 2 and other necessary transport engineering and facilities along the route. the construction period of this project is five years, the planned start date is october 2020, the planned delivery date is september 2025. the total investment of the project is estimated to be 2202,875,260,000 yuan (including 280950,000 yuan for the northern ring road of lijiang) . the final investment of the project is subject to the approval of the preliminary design estimate
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