Why teen rules exist
Motor vehicle crashes are a leading cause of death for American teenagers, and the risk is highest in the first months of driving alone. Graduated driver licensing (GDL) exists to stretch that learning curve out: lots of supervised practice first, then limited solo driving, then full privileges. Research on GDL programs has consistently linked them to fewer teen crashes, which is why every state has adopted some version.
The three stages
Stage 1: Learner's permit
You pass the written knowledge test and vision screening, and you can drive only with a qualified supervising driver beside you. Most states set a minimum holding period — you must keep the permit for a number of months without violations before moving on — and many require a log of supervised practice hours, including some at night.
Stage 2: Intermediate or provisional license
After the holding period and a road test, you can drive alone, but with limits. The two most common are a nighttime restriction (no driving during late hours without a supervisor, with exceptions for work, school or emergencies in many states) and a passenger limit (few or no young passengers for the first months). Phone bans typically continue.
Stage 3: Full license
Restrictions lift when you reach a certain age or hold the intermediate license long enough without violations. In many states, violations during the earlier stages delay this.
Common permit-stage rules
| Rule | How it typically works | What to check for your state |
|---|---|---|
| Minimum age | Learner's permits commonly start between ages 14 and 16 | Exact age, and whether driver ed lowers it |
| Supervising driver | Licensed adult in the front seat | Minimum age and years licensed |
| Holding period | Several months, violation-free | Length; whether a violation restarts it |
| Practice hours | Logged supervised hours, some at night | Total hours, night hours, log form |
| Phone use | Often fully banned for permit holders | Whether hands-free is also banned |
| Driver education | Required in some states, optional in others | Classroom and behind-the-wheel hours |
| School requirements | Some states tie permits to attendance | Enrollment or attendance forms |
We intentionally don't list state numbers here. They change, and each one will be checked against the official source on that state's own page.
Why these rules show up on the test
Your state's permit rules are one of the most common sources of state-specific questions on the written test: how many hours you need, who can supervise, when you may drive at night, what happens if you get a ticket. They're straightforward memorization, so they're easy points if you've read that chapter and costly if you haven't.
Zero tolerance for alcohol
Every state has a zero-tolerance law for drivers under 21: a BAC far below the adult 0.08% limit — in many states 0.02% or even any measurable amount — can lead to license suspension. Penalties for teens are often stricter and can include losing your permit, delays to the next GDL stage and required courses.
Tips for parents
- Use a written agreement. Many safety organizations publish parent–teen driving agreements spelling out rules and consequences.
- Practice in all conditions. Rain, night, highways and heavy traffic, with you in the seat, before they face them alone.
- Keep the log honestly. The hours are the point, not the paperwork.
- Model the behavior. Phone down, seat belt on, full stops.
Next steps
Start with the driver's permit practice test, gather your documents using the what to bring checklist, and follow our 7-day study plan.