Every US state uses a Graduated Driver Licensing (GDL) system for teen drivers. The learner's permit is Stage 1 — supervised practice. The full licence (or intermediate/provisional licence for teens) is Stage 2 — independent driving with possible restrictions. Stage 3 is the full unrestricted licence, typically at 18.
Adults getting their first licence follow a simplified version: written test for the permit, supervised practice, then road test for the full licence — with no mandatory waiting period in many states.
| Factor | Learner's Permit | Full Driver's License |
|---|---|---|
| Can drive alone? | No — licensed adult (21+ in most states) must be in the front seat | Yes — fully independent driving |
| Hours of day | Often restricted (some states: no night driving with permit) | No restrictions (unless on provisional/graduated licence) |
| How to get it | Written knowledge test only — no road test | Road test required after supervised practice period |
| Supervised hours required | N/A — permits allow supervised driving | 30–70 supervised hours depending on state (must be logged before road test) |
| Minimum holding period | N/A | Most states: 6–12 months holding a permit before eligible for road test |
| Age (typical) | 15–16 years old | 16–18 years old (graduated licence); no minimum for adults |
| Cost | $5–$45 (varies by state) | $25–$80 (varies by state; some include permit fee) |
| Validity | 1–2 years typically — then must take road test or reapply | 4–8 years (then renewable) |
| Restrictions lifted at full licence? | N/A | Most teen restrictions (passenger limits, curfews) lift at 17–18 depending on state |
What the written test (permit test) covers
The permit test is entirely a written knowledge test — no driving is involved. It tests knowledge of: road signs (shape, colour, and meaning); rules of the road (right-of-way, speed limits, lane usage); safe driving practices (following distance, space management); impaired driving laws (BAC limits, zero tolerance for minors, implied consent); emergency procedures; and state-specific laws (school bus stopping rules, move-over laws, hands-free device rules).
Most states require a score of 80% or higher to pass. Tests are typically 25–50 questions. The official state driver handbook is the only study material that covers every topic guaranteed to appear.
The supervised driving requirement
Most states require 30–70 hours of supervised driving before a teen can take the road test. Some states require a specific number of nighttime hours (typically 6–15 hours). The supervising adult must hold a valid licence and sit in the front passenger seat.
Some states require a parent or guardian to sign a log confirming the hours. Others rely on the honour system. Some insurance companies offer apps that track supervised driving time.
There is no shortcut to the supervised hours — they exist because data consistently shows that inexperienced drivers crash most in their first year, and supervised practice dramatically reduces early crash rates. The hours are the training, not just a bureaucratic requirement.
The simple answer
The permit test (written knowledge test) is the first step. Pass it and you get the learner's permit. Log your supervised hours, develop your skills, and take the road test when your state says you're eligible. The road test evaluates practical driving skills in the real world. Both tests are necessary because knowing the rules and being able to execute them safely are different skills.
Practice tests for both
DMV Permit Practice Test
40 questions across all permit test topics — rules, signs, and safe driving.
Free practiceRoad Signs Practice Test
25 questions on sign shapes, colours, and meanings — a guaranteed exam section.
Free practiceRules of the Road Practice Test
25 questions on right-of-way, speed limits, and traffic laws.