The sea boundary of Ha Long – Cam Pha has a length of 18.7km, started in September 2019 and passes through the wards of Hong Ha, Ha Tu, Ha Phong (Ha Long City) and Quang Hanh (Cam Pha City). The section through Cam Pha city with a length of nearly 10km has basically completed the construction of the foundation, asphalt carpeting, lighting, etc. The contractor is expanding the roadbed to adjust 6 lanes. The section through Ha Long City has been implemented since March 2020, but the road foundation has been basically completed. Bridge 2 over Lo Phong stream (Ha Phong ward, Ha Long city) with a length of 80m has completed the main items, the contractor is preparing to construct the bridge deck. In the mountain tunnel category, the contractor is conducting 4 consecutive excavations in both directions at the same time. Up to now, both tunnels have dug 135/470m, it is expected to open the tunnel until July 15. Tunnel door through the mountain side of Ha Long city. For 4km at sea, the contractor is actively constructing the roadbed, it is expected that in August 2021, the foundation will be completed to move to the finishing stage and asphalt pavement. Do Phuong

“We will finish pouring concrete tonight. However, it is necessary to wait 3 days for the concrete to freeze, to avoid the situation where the vehicle will shake, possibly cracking the bridge deck,” said PMU representative Thang Long. prefer. Nam Thang Long viaduct route will be opened to traffic when the up and down slope is not completed. Photo: Ngoc Tan. This position said the viaduct has 6 slopes up and down, but only the slope in Co Nhue needs to prohibit the road for construction. The remaining 4 ramps are connected to independent box girders, separated from the main bridge, so no road is prohibited. The plan to prohibit roads for construction of up and down slopes has been approved by the Department of Transport of Hanoi. From the evening of April 23, the traffic police and the traffic bar will coordinate with the contractor to divide the traffic flow. Previously, the Mai Dich – South Thang Long viaduct lacked the downhill after the traffic opened, causing many drivers to complain, indirectly leading to the situation where a series of vehicles turned against the rules on the Thang Long bridge. Exchange with Zing Mr. Duong Viet Roan, Director of Thang Long Project Management Board, explained that 6 up and down slopes cannot be constructed at the same time with viaducts due to lack of space. Mr. Roan said the construction unit is speeding up to complete all 6 ramps up and down.