The Thang Long Project's Management Board and South Korea's Samwhan Group and Transport Construction Corporation No.4 officially commenced Phase Two of Ringroad No.3 in Ha Noi on Saturday.
The construction will link Mai Dich Intersection in Tu Liem District and Trung Hoa Intersection in Cau Giay District at a total cost of more than VND1.4 trillion (US$65.8 million).
According to the contract, a 3.2 kilometre viaduct will be built on the divider of the current Ringroad No.3, consisting of 83 spans and 905 slabs.
The road is expected to open 30 months after the start of construction.
.The project will eventually link Mai Dich Intersection and Linh Dam Lake in Hoang Mai District and include 385m of paths and over 8.5kilometre of bridges, with a total investment of VND5.5 trillion ($255.8 million) from Japanese ODA loans.
Four lanes of urban expressway will allow commuters to travel at speeds of up to 100 kilometres per hour.
The project is divided into three stages. The first stage connecting Thanh Xuan Intersection and Linh Dam Lake Intersection started last June. The second stage linking Trung Hoa Intersection and Thanh Xuan Intersection is in the bidding process.
The project is expected to be completed in 2013, connecting Highway No.5, Highway No.6, Thang Long Highway and Noi Bai International Airport, and contributing to the socio-economic development of the capital in particular and the northern region in general.
At the ceremony, the Transport Construction Corporation No.4 donated VND266 million ($12,300) and Samwhan Group donated VND40 million ($1,860) to representatives of the International Co-operation Agency of Japan to help people in Japan overcome the consequences of the recent earthquake and tsunami.