Restricted capacity and time for trucks and container trailers travelling in the inner city:

Capacity	Time restricted
Ha Noi city
Truck to 1.25 tonnes	06:00 - 09:00 & 16:30 - 19:30
Truck over 1.25 tonnes & over-size, over-weight cargo	06:00 - 21:00
Truck over 1.25 tonnes & over-size, over-weight cargo, when travelling, must have operating permit granted by the competent authorities
Hai Phong city
Truck to 1.0 tonne	05:00 - 08:00 & 17:00 - 20:00
Truck over 1.0 tonne; 20ft & 40ft trailer	05:00 - 22:00
Da Nang city
Truck over 2.0 tonnes; 20ft & 40ft trailer	06:00 - 08:00 & 16:30 - 18:30
Ho Chi Minh City
Truck to 2.5 tonnes	06:00 - 09:00 & 16:00 - 21:00
Truck over 2.5 tonnes; 20ft & 40ft trailer	06:00 - 21:00

 
Vehicles wishing to travel in the restricted time must have special permission granted by the competent authorities.