Upgrading National Highway 1A Doc Xay section - Thanh Hoa city, building the southern section of Do Len bridge over the railway Km 304 +00 - end of Trieu Loc urban area Km309+500
Objective: Construction and upgrading of National Highway 1A Doc Xay section - Thanh Hoa city, construction of the southern section of Do Len bridge over the railway Km 304 +00 - end of Trieu Loc urban area Km309 + 500, derived from practical needs, the importance of arterial traffic routes, in order to reduce traffic congestion and traffic accidents on National Highway 1A. In order to reduce dust and environmental pollution for residents living in the National Highway 1A area. This project is invested by Thanh Hoa Traffic Project Management Board I. Project implementation: Organizing construction site premises, construction equipment, and warehouses for gathering materials and waste, arranging entrance gates, barriers, signs, water supply, drainage, traffic, and communication during construction.
+ Project management office
+ Meeting room.
+ TVGS office.
+ Field Laboratory.
+ Rest camps for workers, general warehouse.
+ Domestic water tanks, water tanks for construction, drilled wells, and construction site toilets.
+ Equipment gathering and steel processing yard.
+ Sand and stone gathering ground
+ power station + generator set (Backup).
+ Temporary water supply and drainage system.
+ At the entrances and exits of the construction site, there are signs and construction site regulations.
- Budget: 52,537 million VND,
- Time period: 3 years (from August 2011 to January 2013).
- Role: Project executive director.
Achievements: The National Highway 1A project was started in 2011 with 3 sub-projects, the section from Doc Xay
- Thanh Hoa City is 1 of 3 sub-projects to upgrade and expand National Highway 1A. The project to expand National Highway 1A Doc Xay - Thanh Hoa City was completed and put into use at the end of 2013. The expansion and upgrading of National Highway 1A Doc Xay - Thanh Hoa City affects residential land. National Highway 1A section is the main arterial road connecting North to South, with a very crowded traffic volume and many potential accident risks. People live in a polluted, dusty, and noisy environment. National Highway 1A expansion project, Doc Xay section.
– Thanh Hoa City has thoroughly solved the problem of traffic congestion, minimizing the problem of traffic accidents from 7.8% to 2%/year, overcoming the problems of bumps, potholes, and weather. Travel time is also shortened by about 50%, serving people's travel needs more conveniently, and fuel consumption costs are reduced by up to 50%, contributing to promoting economic development. Before the project was completed, the travel time from Thanh Hoa to the capital Hanoi usually took 5 to 6 hours (150 Km), but now the time has been shortened to about 2.5 hours).

