The Hanoi – Lao Cai Highway project was built according to standards for highway type A. The route from Hanoi to Yen Bai has 4 lanes, 2 lanes with emergency stops and designed for speed of 100km / h and the route from Yen Bai to Lao Cai has 2 lanes of vehicles and emergency stops designed for speed of 80 km / h.
The Hanoi – Lao Cai Highway project was built according to standards for highway type A. The route from Hanoi to Yen Bai has 4 lanes, 2 lanes with emergency stops and designed for speed of 100km / h and the route from Yen Bai to Lao Cai has 2 lanes of vehicles and emergency stops designed for speed of 80 km / h.
