Latest regulations on maximum speed of cars and motorbikes that drivers need to know
To ensure traffic safety, when participating in traffic, depending on the type of vehicle and the type of road, the maximum permitted speed is different. Vehicles such as cars and motorbikes, if violating, will be subject to administrative penalties according to regulations.

The maximum speed of vehicles such as cars and motorbikes in areas such as densely populated areas, outside densely populated areas, etc. is regulated differently. Drivers need to clearly understand the speed limit in the area so as not to exceed the speed limit.
Maximum speed of motorbike
According to Circular 31/2019/TT-BGTVT of the Ministry of Transport regulating the speed and safe distance of motor vehicles and specialized motorbikes participating in road traffic, the maximum speed of motorbikes (or motorcycles) in specific areas is as follows:
- Maximum speed of motorbikes in densely populated areas:
For dual carriageways; one-way roads with two or more motor vehicle lanes: 60km/h.
For two-way roads; one-way roads with one motor vehicle lane: 50km/h.
- Maximum speed of motorbikes outside densely populated areas:
For dual carriageways; one-way roads with two or more motor vehicle lanes: 70km/h.
For two-way roads; one-way roads with one motor vehicle lane: 60km/h.
- Maximum speed of motorbike: No more than 40km/h.
Maximum speed of the car
Also according to Circular 31/2019/TT-BGTVT of the Ministry of Transport, the maximum speed of cars is also specifically regulated as follows:
- Maximum speed of cars in densely populated areas:
For dual carriageways; one-way roads with 2 or more motor vehicle lanes: 60km/h.
For two-way roads; one-way roads with one motor vehicle lane: 50km/h.
- The maximum speed of cars outside densely populated areas is specifically regulated for each type as shown below:

- The maximum speed of a car on the highway does not exceed 120km/h.
This Circular also stipulates that when participating in traffic on highways, drivers and operators of specialized motorbikes must comply with the maximum and minimum speeds indicated on road signs and road markings on the lanes.