In July 2024, the Hanoi People's Committee approved the investment project to build a tunnel at Co Linh - Vinh Tuy Bridge (Long Bien District).
According to the Hanoi People's Committee, after Vinh Tuy Bridge phase 2 of the traffic (September 2023), the flow of the neck of Co Linh is very large, causing frequent traffic congestion, especially peak hours. .
Therefore, the investment in building a tunnel at Co Linh intersection is very necessary and urgent, in order to resolve traffic conflicts at the intersection, connection between surrounding roads, gradually improving. Hanoi transport infrastructure system.
The project has a total investment of nearly 750 billion dong, equal to the city budget capital, invested by the Management Board of the Construction Project Construction Projects of Hanoi. The progress of implementation in 2024 - 2026.
The tunnel was built in the direction of Vinh Tuy, going to the intersection of the intersection between Co Linh and the two ends of Vinh Tuy Bridge - Dam Quang Trung Street.
The tunnel heart coincides with the existing heart of the route; The total length is about 600m; The cross -section of the whole tunnel is 27.1m, arranged 6 lanes, of which 3 lanes each.
In Hoai Duc district, the project of building a intersection is different from the 3.5 belt road and Thang Long Boulevard, the total investment of nearly VND 2,400 billion will be implemented in the period 2022 - 2026.
The items will invest in construction include underground tunnel under the 3.5 belt road with a total length of 975m and four branch bridges with a total length of more than 2,300m.
According to the Hanoi People's Committee, the construction of the 3.5 belt intersection project with Thang Long Boulevard (including tunnel and branch bridges) to complete the transport infrastructure system according to planning, connection and exploitation Reasonable with transport infrastructure has been built.
The completed project also helps to minimize traffic congestion, contributing to the development of production and business, accelerating the speed of forming urban areas in the region, promoting socio -economic development of the Capital. shared.
In the period 2026 - 2028, Hanoi will build 2 more tunnels under the Ring Road 3 of Bac Tu Liem and Nam Tu Liem districts.
The tunnel of Thang Long West - Ring 3 (Bac Tu Liem) has a sealed tunnel length and an open tunnel about 800m, total investment capital of nearly VND 1,010 billion.
And the tunnel at Me Tri - Duong Dinh Nghe - Ring 3 (Nam Tu Liem) has a total investment of nearly 972 billion dong. The building is 565m long, of which 120 meters long and the rest is opened.
From 2009 to the present, Hanoi has invested in building many tunnels at large intersections such as Xa Dan - Dai Co Viet, Nguyen Trai - Khuat Duy Tien, Trung Hoa, Le Van Luong to reduce congestion.
In the city, there is a underground tunnel project being built as a tunnel of Kim Dong - Giai Phong intersection (Hoang Mai district).
After 28 months of construction, the project of Kim Dong - Liberation tunnel reaches 60% of the workload. Project progress ensures completion in 2025.
