Large vehicles can cause wind gusts with a force great enough to cause direction changes in smaller vehicles. Drivers of small vehicles should be prepared to take proper corrective steering action when approaching or passing large vehicles that are moving at or near maximum speeds.

This sign indicates that workers may be on or very close to the roadway ahead, so you should take special care when traveling through the area.

By operating a vehicle on Missouri roadways, a driver automatically consents to taking a chemical test to determine their blood alcohol concentration (BAC) when requested by an officer. If a driver refuses the test, their license will be suspended for one year.

Pennant-shaped warning signs like this are only used to indicate a no passing zone.

You must always bring your vehicle to a complete stop and yield to approaching traffic before proceeding past a stop sign. Don't feel pressured by surrounding traffic to avoid making a complete stop.

Any eight-sided sign is a stop sign. At an intersection with a stop sign, you must stop completely and check for pedestrians and cross traffic in the intersection. Wait for the intersection to clear before proceeding.

Wearing your seat belt is the single most effective thing you can do to reduce your risk of death or injury while driving.

If you are at fault in an accident and do not pay for the damages you caused, your driver license and/or vehicle license plates will be suspended for one year. You may have your license and plates reinstated during that one-year period if you pay a fee and provide proof that you have settled damages.

The exhaust system carries exhaust gas out of the vehicle and prevents fumes from entering into the passenger compartment. To prevent carbon monoxide poisoning, keep your exhaust system free of leaks. Replace all defective parts immediately.

A flashing yellow light at an intersection means "caution." If you approach such a light, slow down, look, and proceed with care.

You must always signal before turning or changing lanes. You should keep your wheels straight while waiting to make a left turn. If another vehicle hits you from behind, this ensures that you will not be pushed into oncoming traffic.

If an emergency vehicle using its lights or siren approaches while you are driving on a one-way street, you must drive toward the nearest roadside and stop.

Upon striking an unattended vehicle, stop and try to locate the owner. If you cannot find the owner, leave a written notice containing your name, your address, and the circumstances of the accident.

A flashing yellow traffic light at an intersection indicates that drivers must slow down, proceed with caution, and be prepared to stop.

Even the smallest amount of alcohol will reduce your concentration, perception, judgment and memory, and your driving skills will suffer. No one can drink and drive safely.

This type of triangular sign means drivers must yield. You must slow down as you come to an intersection marked with this sign and be prepared to stop. Let any other vehicles, bicyclists, or pedestrians pass safely before you proceed.

When stopped at an intersection, you should first look to your left, as vehicles coming from the left are closer to you than vehicles coming from the right. Look to your right, then look to your left again, in case there are any vehicles coming from that direction that you did not see at first glance.

The Missouri State Highway Patrol (MSHP) administers the driver examination. To find the testing center nearest you, contact the MSHP or the Department of Revenue.

When approaching a stopped school bus that is using its stop signal, a driver is required to come to a complete stop. They should not proceed until the stop arm is withdrawn.

A broken yellow line alongside a solid yellow line means that passing is allowed from the lane on the side next to the broken line.

When convicted of a DWI, a driver who is above the age of 21 faces both administrative and court-convicted consequences. A first-time conviction will result in an administrative license suspension for 90 days. A court conviction could result in a six-month jail sentence and a $500 fine. Penalties increase with subsequent offenses.

Alcohol dulls the parts of your brain that control inhibition, judgment, and self-control. As a result, you may feel stimulated, lively, and a bit giddy or foolish after consuming alcohol. Alcohol also impairs your reaction time, coordination, and balance. Your vision and ability to judge distance suffers after alcohol consumption, making it difficult to react to your surroundings.

As speed increases, the chance of a fatality increases. If you are moving faster than 80 miles per hour, you have almost no chance of living through a crash. Driving more slowly than other traffic can also be dangerous because other motorists may become impatient and make dangerous moves to pass you.

If you are stopped at a railroad crossing with more than one track, do not start moving as soon as a train passes. Wait until you have a clear view down all tracks before you start across. Even where there is only one track, do not start across immediately after a train passes; check again for another train that may be approaching.

If a driver's left arm and hand are extended downward, they are indicating that they intend to stop. Adjust your driving accordingly if following a driver who is using this hand signal.