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National Teen Driver Safety: Missouri’s Graduated Driver Licensing (GDL) Laws & Accident Liability

October 5, 2026

National Teen Driver Safety Week, observed October 18 to 24, 2026, reminds us that learning to drive takes time. Teen drivers face some of the highest crash risks on the road, largely because they have less experience recognizing hazards and reacting to changing traffic conditions.

Missouri’s Graduated Driver Licensing (GDL) law helps young drivers gain that experience gradually. Here’s how the law works and what families should know when a teen driver is hurt or causes a car crash in St. Louis. 

Just How Risky Is Teen Driving?

According to the National Highway Traffic Safety Administration (NHTSA), 752 drivers ages 15 to 18 were killed in crashes in 2024, while 85,947 teen drivers were injured. In total, 2,320 people died in crashes involving a teen driver in this age group. 

The Insurance Institute for Highway Safety (IIHS) reports that, based on miles driven, drivers ages 16 to 19 are involved in fatal crashes at nearly three times the rate of drivers 20 and older. 

Inexperience can make it harder for new drivers to recognize hazards, judge gaps in traffic, and react quickly. Those skills matter most in heavy St. Louis-area traffic, including busy stretches of I-70 and I-64 where new drivers may have to navigate congestion, merging traffic, and lane changes. 

How Missouri’s Graduated Driver Licensing Law Works

Missouri’s Graduated Driver Licensing law gives young drivers more driving privileges through three stages. 

1. Instruction Permit

Teens can get an instruction permit at age 15. The permit is valid for 12 months, and teens must drive under supervision and complete at least 40 hours of behind-the-wheel practice, including 10 hours at night.

2. Intermediate License

Drivers ages 16 to 18 may qualify after holding an instruction permit for at least 182 days and meeting other requirements.

During the first six months, the driver cannot carry more than one passenger under 19 who is not an immediate family member. After six months, the limit increases to three.

Intermediate license holders also cannot drive between 1 a.m. and 5 a.m., although limited exceptions apply.

3. Full License

At age 18, a driver may qualify for a full license if their driving privilege has not been suspended, revoked, or denied, and they have had no alcohol-related offenses or traffic convictions within the previous 12 months. 

The Dangers Missouri’s GDL Law Is Built to Reduce

Missouri’s GDL restrictions address several factors that can increase the risk of a teen driving accident, including:

Missouri’s Siddens Bening Hands Free Law prohibits drivers from holding or supporting an electronic communication device while driving, subject to limited exceptions.

Parents are encouraged to reinforce teen driver safety by setting phones to do-not-disturb before driving, limiting passengers during the first several months behind the wheel, and modeling safe driving themselves.

Who Is Liable When a Teen Driver Causes a Crash in Missouri?

A driver may be negligent when they fail to use reasonable care behind the wheel, and that failure causes someone else to be hurt. An experienced St. Louis car accident lawyer can review how the crash happened and who may be responsible.

Missouri follows a pure comparative fault rule. An injured person can recover compensation even if they are partly responsible for the accident, but their percentage of fault can reduce the amount they receive. For example, if someone has $100,000 in damages and is 30% at fault, the award could be reduced to $70,000. 

Southern Illinois follows a different rule. Illinois prevents recovery when an injured person’s share of fault is more than 50%.

Depending on the circumstances, responsibility for a teen driver accident may involve:

  • The teen driver who caused the collision
  • A parent who negligently entrusted a vehicle to an unsafe or unqualified driver
  • Another driver or party whose negligence contributed to the crash

Missouri requires drivers to carry minimum liability coverage of $25,000 for bodily injury to one person, $50,000 for bodily injury per accident, and $25,000 for property damage. Those minimum limits may not cover all losses after a serious crash.

Deadlines also differ across state lines. Missouri allows five years to bring a personal injury action, although shorter deadlines may apply to certain types of claims. Illinois has a two-year deadline for filing a personal injury lawsuit.

How Greater St. Louis Families Can Lower the Risk

Safe driving habits start well before a teen drives alone. Campaigns such as National Teen Driver Safety Week allow families to talk about risks and revisit safe habits behind the wheel. 

Missouri’s free First Impact program helps parents understand the state’s GDL requirements and provides practical tools for coaching new drivers. Parents can reinforce those rules at home while modeling the same safe driving habits they expect from their teens. 

Giving teens plenty of supervised practice in different traffic, weather, and lighting conditions can help them build confidence and experience before driving independently.

Hurt by a Teen Driver? We Can Help

If you were hurt in a crash involving a teen driver, questions about fault and insurance coverage can make a difficult situation even more complicated. 

Cofman Townsley is a team of car accident injury lawyers serving Missouri and Southern Illinois. Real People. Real Results. We can review what happened, answer your questions, and explain your options.

Call us today for a free consultation. You don’t pay us anything unless we win your case.