New Jersey Driver's Handbook, Section 6: Drinking, Drugs and Health
How alcohol and drugs affect driving, the legal BAC limits and how health, vision and hearing matter behind the wheel.
Summary written by MyPermitExam from the official handbook, 2026. Not a copy of the handbook. Checked Oct 2026. Not affiliated with the DMV. New Jersey Driver Manual
Key rules
- Adults may not drive at 0.08 percent BAC or more; under 21, the limit is 0.01 percent. p. 115
- Only time sobers you up; a beer, a glass of wine and a shot of whiskey contain about the same alcohol. p. 114
- Crash risk doubles just above 0.05 BAC and is 25 times higher at 0.15. p. 115
- Driving under any drug is illegal; after alcohol, marijuana is the drug most often found in crash drivers. p. 117