The two largest crawl tunnel Hanoi officially on 8/1The two tunnel junctions in the spring and Bar crawl in neutral, Hanoi City under construction the last to officially put into operation on August 1.Tunnel crawl junctions Neutralize, CAU Giay district with nearly 700 m length, towards the Boulevard-Tran Duy hung and vice versa with a total investment of 1087 billion has 3 lanes wide, 5 m 3/motor lanes.This is considered the largest and most modern cellar capital. After 11 months of an emergency construction program, to date this has completed, chui tunnel crossed the progress 7, compared with the plan.Tunnel crawl, in the crossroads Only hid 30.000 with length 980m, has a total investment of 551 billion.
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