Projects for renovation, upgrading, and embellishment combined with flood treatment have been implemented in Ha Long, Ha Tu, Hong Gai and Ha Lam wards.
These are the flood prevention project on the road adjacent to Vung Dang urban area and Bai Chay bridge resettlement area, Yet Kieu 3 quarter (Hong Gai ward), worth 22.2 billion VND; the flood prevention project on the streets of Yet Kieu 2, 3, 4 and Tran Hung Dao 4 (Hong Gai ward), worth 56.9 billion VND and on the residential areas of group 57'59, Ha Phong 6B area (Ha Tu ward), worth 45.4 billion VND.
Flood prevention projects on roads west of National Highway 18A, Tuyen Than Street and Nui Ham Street (Ha Long Ward), worth 28.3 billion VND; roads in Ha Lam 4 area, connecting routes from Provincial Road 336 to Group 6, Ha Lam 2 area and the road to Regiment 213 (Ha Lam Ward), worth 44.1 billion VND.

The road connecting National Highway 18A to the headquarters of the Mobile Police Department - Provincial Police (Ha Tu Ward), worth 28.1 billion VND; Pham Ngu Lao Quarter and the self-constructed wood workshop area, the industrial park of the Yen Kieu 3 shipping area (Hong Gai Ward), worth 39.5 billion VND..
Recently, many areas in the center of the old Ha Long city have often experienced localized flooding due to heavy rain and high tides. The early implementation of flood prevention projects shows the proactiveness of local authorities in responding to climate change.