Louisiana DMV Cheat Sheet: Key Numbers
The numbers people mix up most often, on one page. Print it or save it as a PDF and review it before your test.
Knowledge test format
- questions
- 40
- correct to pass
- 32 (80%)
Learner's permit and teen license rules by state
- Hold the permit at least
- 6 months
- Supervising driver at least
- 21 years old
- Supervised driving hours
- 50 hours
- Of them at night
- 15 hours
- Night limit for new drivers from
- 11 p.m.
Drunk driving laws by state: BAC limits
- Drivers 21+
- 0.08%
- Under 21
- 0.02%
Car seat and booster seat laws by state
- Car seat until at least
- 4 years old
- Booster seat until at least
- 9 years old
License renewal, insurance and points by state
- Report a new address within
- 10 days
- License valid for
- 6 years