A 3-minute lesson from the Kentucky course. Read the rules and examples, follow the handbook page references, and check your understanding before you move on.
Alcohol and other impairing drugs are involved in about 40% of fatal traffic crashes each year. Impairment starts with the first drink, and even one drink can affect your driving. The best advice: don't drive a vehicle of any kind after drinking alcohol or using drugs.
About 40%
Share of fatal traffic crashes each year involving alcohol or other impairing drugs
If you're under 21, it is illegal to purchase, possess or drink alcohol. All states have 'zero tolerance' or similar laws for drivers under 21, and the effects are greater for new drivers still learning.
Vision is the most important sense you use in driving. With one or more drinks in the bloodstream, a person is visibly impaired and could be arrested for DUI.
You took an allergy pill and had one beer at a party. You feel fine. But the pill can cause drowsiness, alcohol can multiply a drug's effects, and vision is impaired at 0.02. Get a ride.
Check your understanding
Read the question, decide on an answer, then open it to check the explanation. These are Roadwise study questions based on the source handbook.
A person's vision is impacted by alcohol starting at a BAC of:
0.10
0.05
0.02
0.08
Answer: 0.02
Vision is impacted at 0.02 BAC for all drivers, well before the 0.08 legal limit for adults.