Drivers may not enter an intersection unless they can get through it without having to stop. You should wait until traffic ahead clears so that you are not blocking the intersection.

One situation where it is appropriate to use your horn is if you lose control of your vehicle. In this case, sound your horn to alert other drivers.

Your ability to handle dangerous traffic situations depends largely on searching for and identifying problems before meeting them. Looking far ahead of your vehicle does not mean you should simply stare at the center of the road. You need to continually scan the entire road, including the sides of the road.

Legal prescription and over-the-counter drugs can impair your ability to drive, including drugs taken for colds, hay fever, allergies, or to calm nerves or muscles. It is illegal to drive while under the influence of any drug that impairs your ability to drive safely; this law does not differentiate between illegal, prescription, or over-the-counter drugs.

Motorcycles can be easily hidden in a vehicle’s blind spot or missed in a quick look due to their small size. Drivers of cars must always be alert and looking for motorcycles, mopeds, and scooters.

A red flashing traffic signal has the same meaning as a stop sign. When approaching a red flashing signal, come to a complete stop and proceed when it is safe to do so. A stop sign may sometimes also be posted where this signal is located.

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.

The amount of space you need to cross traffic depends on the road conditions, weather conditions, and oncoming traffic.

If you are driving past an emergency vehicle parked on the right side of the road, you must vacate the lane closest to the stationary emergency vehicle. If you cannot move over safely, you must slow down.

Warning signs are usually yellow with black markings. This sign warns the driver that there is an upcoming winding road. Speed should be adjusted appropriately.

A green arrow means "go." You must turn in the direction the arrow is pointing after you yield to any vehicles, bicycles, or pedestrians who are still in the intersection.

Before returning to your original lane after passing, you must make sure you are not dangerously close to the vehicle you have just passed. When you can see both of the vehicle's headlights in your rearview mirror, you may have enough room to return to the lane.

Oklahoma's seat belt law requires every front seat occupant to wear a seat belt. Occupants under the age of 13 must be fastened into their seat belts, regardless of their seating position.

Curve and turn warning signs often have attached advisory speed signs that show a recommended driving speed for drivers in the curves and turns. Although a driver may feel comfortable driving at a higher speed in fair weather, they should never do so under rainy, snowy, or icy conditions.

When heavy rain reduces visibility, reduce your speed. Turn on your headlights so other drivers can see your vehicle. If the rain is so heavy that you are unable to see clearly, drive onto the shoulder and stop until the rain lets up.

Blood alcohol concentration (BAC) is a measure of the percentage of alcohol in a person's blood. The higher the BAC, the more impaired a person is.

Warning signs are usually yellow with black markings. This sign warns that your current road ends at an intersection straight ahead. Slow down and prepare to yield or stop before turning right or left.

Round signs warn drivers of an upcoming railroad crossing area. Drivers should use extra caution when approaching a railroad crossing.

On the freeway, be ready for changes in traffic conditions. Watch for signals from other drivers. Expect merging vehicles at on-ramps and interchanges and be prepared for rapid changes in road conditions and traffic flow.

Warning signs are usually yellow with black markings. They alert you to conditions that are immediately ahead. There may be an upcoming change in traffic direction, a steep downgrade, or another potentially hazardous situation that requires action on the part of the driver.