Common Questions About Missouri Driving Laws

Most drivers know the basic rules of the road in order to keep their families safe. Don't speed, don't run red lights, don't drink-and-drive…but you may be surprised to learn about other traffic rules you may be inadvertently breaking. Below are answers to common questions about Missouri driving laws.

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Is it Legal to Drive Barefoot in Missouri?

Rest assured that it's completely legal to drive barefoot in Missouri, as well as in any other state. So whether you're on your way back from a day of swimming at the lake or would prefer to kick off uncomfortable high heels, rest assured that there's no Missouri law against driving without shoes.


Is There a Penalty for Eating While Driving in Missouri?

Yes, you can legally eat while driving in the state of Missouri. However, it's not recommended considering it greatly increases the likelihood of an accident. Though an officer won't give you a ticket or penalty for outright eating while operating a vehicle, he or she can give you one for reckless driving if you show diminished control of your vehicle.


What are Missouri Car Seat Laws for Securing Children?

In order to comply with Missouri traffic laws, drivers must use a car seat for children if they are under four-years-old. Kids under 40 pounds must also use a car seat, regardless of age. If children are under 80 pounds or 4'9", they must have a suitable booster seat. What's more, keep in mind that little ones under the age of two should be in rear-facing seats while older kids should be in front-facing car seats.


Is it Illegal for Me to Be On My Phone While Driving in Missouri?

If you're under the age of 21-years-old or operating a commercial vehicle, it's illegal to be on your phone while driving in Missouri, regardless of the intended purpose. However, this does not extend to older drivers, as Missouri is one of only three states that has not implemented a law prohibiting texting and other activities while operating a vehicle. It's still highly discouraged in order to keep yourself and others safe while on the road.


Can You Drive in Missouri With an Out-of-State Permit?

Beginning drivers can hit Missouri roads, even if they got their permit from another state. You must be 16-years-old and meet the requirements of the state that issued the permit. What's more, they must be accompanied by a guardian or grandparent.


Can You Drive With Headphones on in Missouri?

It is highly advised that you do not drive with headphones on, as this prohibits your ability to hear what's going on around you. However, there is currently no law in place prohibiting this in Missouri.


Can You Honk Someone Else's Horn in Missouri?

Resist the urge to be a proactive passenger by honking a horn that isn't yours, as this is illegal in Missouri.


Are There Missouri Driving Laws Around Honking Your Own Horn?

Believe it or not, there are indeed laws in Missouri about how you can use your horn. It's illegal to use it for any other reason than "warning." Any other use is viewed as "unnecessary" and goes against the state's traffic laws. So, if you pass your friend on the street and want to give a quick toot, toot as a way to say "hello," you'll unfortunately have to roll down your window and holler, instead. 


As a Missouri Pickup Driver, Are There Laws Against Passengers Riding in the Bed?

Whether or not you can invite others to ride in the back of your pickup all boils down to the age of your passengers; in Missouri, it's illegal to have anyone younger than 18 years old ride in the truck bed.

Adult passengers can legally ride in the truck's back, assuming that the vehicle is not on a highway and there are certain safety restraints in place. Additionally, Missouri law only permits this under special circumstances, such as for employment-related reasons, when the truck serves as the family's vehicle and there are no extra seats within the confines of the vehicle, or to assist with special recreational or festival events.

Do you find this Missouri driving law complicated? We agree. However, when viewing these policies, it's important to remember that riding in pickup beds is never as safe as riding within the interior of the vehicle. After all, even if you have safety restraints in place, passengers are still exposed to weather, potential debris, and potential collisions. Therefore, this Missouri driving law is rooted in the desire to keep everyone safe.  


Is it Legal to Turn Right During a Red Light in Missouri?

Like much of the country, Missouri traffic laws permit drivers to turn right during red lights, as long as there are not signs prohibiting this. Only do so after coming to a complete stop and ensuring that it is safe to turn. You must yield the right of way to oncoming traffic and pedestrians before making the right turn. 


Can You Have Snow Tires or Chains in Winter?

Yes, Missouri drivers can utilize winter tires or chains for extra traction in slick conditions. However, be mindful to only use them when necessary or else you risk causing damage to your vehicle and the road. To learn more, visit our article about whether we recommend snow tires or chains for Missouri winters.


How Often Does My Car Need to be Inspected?

The short answer is that most Missouri vehicles need to be inspected every two years. However, exceptions exist. Read our FAQs About Car Inspections in Missouri to learn more.


What is the Legal Alcohol Limit to Drive a Vehicle?

When driving a non-commercial vehicle, the legal limit in Missouri is 0.08%, roughly four beers. In order to operate a commercial vehicle, the legal limit is 0.04%.


What's the Penalty for Not Wearing a Seatbelt in Missouri?

If safeguarding your life isn't enough reason to buckle up, Missouri provides extra incentives by levying a fine of up to $50.00 and potential court costs. Plus, take note, it's the driver who will have to pay the penalty, even if it's one of their passengers who chose not to buckle up. 

The potential consequences for failing to buckle the seatbelt increase when the individual is a minor. If there is an accident, the driver and/or guardian could face criminal negligence charges.