The Hanoi Department of Construction issued an advisory on traffic organisation and diversion plans on Wednesday (27 August) to ensure safety.

• In Quoc Oai Commune, flooding has been reported at Km11+300 and Km6+700 on Road 421B (old 81) and at Bridge 72II on Road 423 (old 72). Diversions include:-Vehicles at Km6+700 Road 421B: Thach Than → Cau Van Quang → Nghia Huong → onward to Hanoi (left) or Xuan Mai (right).-Vehicles at Km17+00 Road 421B: From Xuan Mai → National Highway 6 → Ho Chi Minh Trail → Thang Long Boulevard → Quoc Oai.
• In An Khanh Commune, flooding has impacted Bridge 72II, Road 423 (old 72). Diversions include:-Vehicles on Road 423: From Hoai Duc/Ha Dong → Km9+200 Road 419 → Chuc Son or Thang Long Highway.-Vehicles from Ha Dong/Hoai Duc → Quoc Oai: Divert at Km8+100 Road 423 (Van Con post office) → right onto Thang Long Highway → Quoc Oai.
• At Yen So Bridge (Road 422) between Quoc Oai and Son Dong Communes, the water depth of 1 metre has made the bridge impassable. Diversions include:-First direction: Ly Phuc Man Street → Phung Town → Km25 Highway 32 → turn left → district road → Km2+000 Road 421 (dyke road).-Second direction: Ly Phuc Man Street → Thang Long Boulevard Km11+600 → turn right at Km15+700 → Road 421.