Teen Driving Restrictions: GDL Rules, Curfews, and Penalties

Teen driving restrictions in the United States follow a three-stage Graduated Driver Licensing (GDL) system: a learner’s permit, an intermediate or provisional license, and finally an unrestricted license. Each stage limits when a teen can drive, who can ride along, and what they can do behind the wheel. The specifics vary by state, but the structure and the penalties for breaking the rules look similar across the country. Drivers aged 16 to 19 are involved in 4.8 fatal crashes per 100 million miles traveled, more than triple the rate for drivers 30 to 59, which is the reason the phased approach exists.¹

Learner’s Permit Rules

Most states issue a learner’s permit at 15, with some going as low as 14 and others holding the line at 16.² A permit cannot be converted to a provisional license right away. Every state sets a minimum holding period, most commonly six months, though some require nine or twelve.

During that window, a teen has to log supervised practice hours. Fifty hours is the typical requirement, with about ten of those at night, though a few states call for fifteen nighttime hours and at least one requires only two.² The nighttime piece matters because the fatal crash rate for 16-year-olds per mile driven is roughly twice as high after dark as during the day.³ Some states cut the required hours for teens who finish an approved driver education course; a teen who skips the course has to log more hours on their own.

Whenever a permit holder is behind the wheel, a licensed adult has to be in the front passenger seat. The adult must be at least 21 in most states, sober, alert, and able to take control if needed. A parent is the usual choice, but any qualifying licensed adult works.

Intermediate License Rules

Passing the road test moves a teen to the intermediate stage, usually at 16. The supervisor requirement goes away and passenger and time-of-day limits take over.

Passenger Limits

The most common rule allows no more than one passenger under a set age, which ranges from 18 to 21 depending on the state. A handful of states ban all passengers for the opening months of the intermediate stage.² Crash risk climbs with each additional teen in the car.⁴ Most states carve out an exception for immediate family, so siblings can still ride along, and passenger limits usually lift entirely when a qualifying adult is in the vehicle.

Nighttime Curfew

Intermediate drivers face a curfew that most often starts at 11 p.m. or midnight and ends around 5 or 6 a.m.⁵ Common exceptions cover work, school activities, religious functions, and medical emergencies. Some states expect the teen to carry proof, such as a signed note from an employer or school. Keeping that letter in the glove box is the difference between a routine stop and a curfew citation on the way home from a late shift.

Phone Bans for Novice Drivers

Roughly 36 states and the District of Columbia ban all cell phone use by novice drivers, which is stricter than the texting or handheld rules that apply to adults.⁶ In those states, hands-free is also off limits: no Bluetooth calls, no voice texting, no using the car’s built-in system for a call. Because the adult rule is usually looser, this one catches teens by surprise.

Federal distracted-driving grants under 23 CFR 1300.24 push states in this direction, paying full grant funding to states that make the novice phone ban a primary offense and half funding to those that treat it as secondary.⁷ Primary means an officer can pull the car over for the phone alone.

Zero-Tolerance Alcohol Rule

Federal law requires every state to treat any driver under 21 with a blood alcohol concentration of 0.02 percent or higher as driving under the influence. States that don’t enforce the standard lose 8 percent of their federal highway funding.⁸ Some states go further and set the threshold at 0.00 or 0.01, which makes any detectable alcohol a violation. The adult limit is 0.08. For a teen, a single drink can be enough.

Every state also has an implied consent law. By using the public roads, a driver has already agreed to submit to a breath, blood, or urine test if lawfully arrested on suspicion of impaired driving. Refusing the test triggers its own automatic suspension, typically six months to a year, on top of anything else. The refusal suspension applies even if the teen’s BAC would have come back under the limit.

What Happens if a Teen Breaks the Rules

GDL penalties are built to slow the path to a full license, not just punish the moment. The common consequences:

Fines, typically $100 to $500 depending on the offense and the state.
Suspension of the provisional license, often 30 to 90 days for a single violation and longer for alcohol-related offenses.
An extended holding period. A suspension during the permit or intermediate phase pauses the clock to the next stage; a 60-day suspension pushes the full license date back by 60 days after reinstatement.
Faster point accumulation. Many states set a lower point threshold for teens before triggering a review hearing, which can add restrictions or lead to revocation.

The license delay is where most families feel the real cost. A curfew ticket at 16 can be the difference between a full license at 17 and waiting until closer to 18, and repeat violations compound.

When Restrictions End

In most states, GDL restrictions lift at 18 or after a teen has held the intermediate license for a set period, commonly 6 to 12 months, whichever comes first.² A clean record at 16 often means a full license at 17, sometimes earlier. Finishing an approved driver education program can speed the timeline in some states.

Turning 18 doesn’t wipe the slate. The under-21 zero-tolerance alcohol rule is tied to age, not license status, and keeps applying until 21.⁸ A teen who racked up violations during the intermediate stage may also face extra requirements or have to wait until 18 for a full license, even in states that normally allow earlier graduation.

What Parents Should Know About Liability and Insurance

Adding a teen to a family auto policy drives premiums up by several thousand dollars a year, with the exact figure turning on the insurer, the state, and the teen’s record. The pricing tracks the risk: drivers aged 16 to 19 made up 5.1 percent of licensed drivers in 2021 but accounted for 8.5 percent of drivers in fatal crashes.¹ GDL citations go on the teen’s record and can raise rates or disqualify them from good-student and safe-driver discounts.

Signing the application for a minor’s permit or license matters too. In most states, the signing parent takes on a form of joint legal responsibility for damages if the teen causes a crash through negligence. That exposure typically ends when the teen turns 18 or obtains an adult license, but it is real for the GDL years.

1
NHTSA. Young Drivers
2
Insurance Institute for Highway Safety. Graduated Licensing Laws
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NHTSA. Beginning Teen Drivers
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Centers for Disease Control and Prevention. Risk Factors for Teen Drivers
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NHTSA. GDL Intermediate License Nighttime Restrictions
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Governors Highway Safety Association. Distracted Driving
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eCFR. 23 CFR 1300.24 – Distracted Driving Grants
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Office of the Law Revision Counsel. 23 USC 161 – Operation of Motor Vehicles by Intoxicated Minors