Road rules
In Vietnam you drive on the right side. Most cars have manual transmission (stick).
Speed limits
Unless otherwise posted, the speed limits for cars and motorcycles are as follows: 60 km/h (37 mph) in all built-up areas, 80-120 km/h (49-74 mph) on motorways, 80-120 km/h (49-74 mph) on expressways and 90 km/h (55 mph) on undivided highways.
Alcohol
It is illegal to drive with blood alcohol content higher than 0.00%.