Road rules
In Cambodia 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: 120 km/h (74 mph) on motorways, 120 km/h (74 mph) on expressways, 60-80 km/h (37-49 mph) in all built-up areas and 90 km/h (55 mph) on undivided highways.
Alcohol
It is illegal to drive with blood alcohol content higher than 0.05%.