- NỘI BỘ
The Expressway of Huu Nghi Gateway- Chi Lang has the length of 43 kilometers, designed to allow the speed of 80kph. It starts at Km1+800 (belonging to Dong Dang Town, Cao Loc, Lang Son) and ends at Km44+749.67 (connecting to the starting point of Bac Giang- Lang Son Expressway and belonging to Sao Mai, Chi Lang, Lang Son).
| Project name | The Project of Bac Giang – Lang Son Expressway, the section of Huu Nghi - Chi Lang |
| Type and grade of construction | Traffic works, grade I |
| Total investment | 11,024 billion VND |
| Period of implementation | 2024 - 2026 |
| Location | Lang Son Province |
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