Road rules
In Saudi Arabia 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: 100-120 km/h (62-74 mph) on undivided highways, 120 km/h (74 mph) on motorways, 120 km/h (74 mph) on expressways and 40-80 km/h (24-49 mph) in all built-up areas.
Alcohol
It is illegal to drive with blood alcohol content higher than 0.00%.