Connecting the two provinces of Quang Ngai and Binh Dinh, the 3,200 m long mountain tunnel No. 3 will be the 3rd longest road tunnel in the country, after Hai Van and Deo Ca.
Vnexpress.net
SourceHow is the longest tunnel through the mountain of the North - South expressway being constructed?
VnExpress•16/04/2024
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