The Ministry of Transport assigned the Lang Son Department of Transport to be the investor of the project to upgrade the National Highway 4B section Km18 – Km80, the project completion time is in 2024.
The Ministry of Transport has just issued a decision approving the investment policy of the project to upgrade the section Km18 – Km80, National Highway 4B through Lang Son province.
Accordingly, the project to upgrade the section Km18 – Km80, National Highway 4B has a total length of regarding 63.2 km. The starting point at Km18 – the explanation of the existing NH4B (joint with the project to renovate and upgrade National Road 4B, section Km3+700 to Km18 under construction) is located in Loc Binh district; the end point at Km80 – the description of the existing National Highway 4B (the boundary between the two provinces of Lang Son and Quang Ninh) belongs to Dinh Lap district, Lang Son province.
Regarding the scale of investment, the section from the beginning of the route to the intersection with DT236 has a scale of 4 lanes, the roadbed is 24.5m wide. The section through Na Duong town and Dinh Lap town remains the same. The remaining section has 2 lanes, the roadbed is 12m wide. The width of the bridge works is consistent with the width of the roadbed.
Regarding technical standards, the road section is designed according to grade III road standards TCVN 4054:2005, in which the section from the beginning of the route to the intersection with NH.4B has a design speed of 80km/h; the section through Na Duong town and Dinh Lap town will remain in the current state; The remaining section has a design speed of 60km/h.
According to the approval decision of the Ministry of Transport, the preliminary total investment of the project is regarding 2,297 billion VND, the capital source from the program of socio-economic recovery and development. The Ministry of Transport assigned Lang Son Department of Transport to be the investor, completion time in 2024.
The project to upgrade the section Km18 – Km80, National Highway 4B is invested and built to contribute to the implementation of the objectives of Resolution 11-NQ/TW of the Politburo; step by step complete the planning of the National Highway 4B, the planning on development of the transport network and the planning on the development of transport in Lang Son province; Improve exploitation capacity, reduce traffic accidents, promote the role of NH4B in inter-regional connection between Lang Son – Quang Ninh province, support socio-economic development, industry and tourism in the province. Lang Son and strengthening national defense and security in the two provinces of Lang Son – Quang Ninh.