Driving safely is not as easy as some people thinks. It has to do with multiple tasks that involves various senses of human body. To ensure safety while using the roads, drivers must maintain alertness, make decision based on the ever-changing information present in the environment, and execute manoeuvred based on these decisions. Anything that impairs the ability to undertake these multiple tasks affect driving. However, the effects of alcohol on driving is not new to road users. Some of the road traffic crashes were as a result of alcohol consumption. That is the reason most countries legislated on maximum permissible BAC(Blood Alcohol Concentration) level. Hence, the effects of alcohol on driving is a topic to look into.