Utah CAR DMV Practice Test 21

If you miss your turn or exit, do not back up, but go on to the next turn or exit where you can safely turn around. It is illegal to back up on a shoulder or a freeway.

As an increasing number of drivers populate the roadways, road rage becomes more prevalent. To help prevent road rage, a driver should use proper turn signals, obey posted speed limits, and allow plenty of travel time.

Warning signs prepare drivers for upcoming road conditions and hazards and are usually yellow with black markings. This sign warns drivers that there is an upcoming sharp turn and that they should lower their speed accordingly.

While it is not advisable to drive in fog, if you must drive in foggy conditions, you should drive with the headlights set on dim or use fog lights.

As you approach a left turn, signal your intentions three to five seconds in advance. Continually check your rearview mirror as you gradually slow down. On a multilane road, move into the left lane before reaching the intersection where you plan to turn. Yield to traffic and pedestrians and turn when your path is clear.

A truck or bus has blind spots on each side, in the rear, and in the front. An automobile cannot be seen in these blind spots. These blind spots are referred to as the “No zone.”

Hydroplaning happens when a vehicle glides on top of a thin layer of water between its tires and the road. Tires with low air pressure or bad tread can increase the risk of hydroplaning. Speeding also increases the risk.

This sign warns of the presence of a hill ahead.

When preparing to drive, you should first adjust your seat to ensure that you are in a comfortable position and can see the road clearly. Adjust your mirrors and steering wheel to be effective when your seat is fully adjusted.

As you drive on a wet road, your tires may start to ride up on the surface of water, causing you to lose control of your vehicle. This is called hydroplaning. The best way to avoid hydroplaning is to lower your speed when driving under wet conditions.

The average person’s body will process about one alcoholic drink in one hour. However, many factors play a part in determining how impaired a person will become when consuming alcohol, including the amount of alcohol consumed, how fast it is consumed, and a person’s body weight, food intake, and general health.

Never make last-minute turns. If you reach an intersection where you wish to turn but you are not in the proper lane to make the turn, drive to the next intersection and then make the turn from the proper lane.

Warning signs prepare drivers for upcoming road conditions and hazards and are usually yellow with black markings. This sign tells drivers that they are approaching an area with low clearance.

When driving on a two-lane, two-way roadway, drivers may only pass when it does not interfere with oncoming traffic. Never pass at a railroad crossing or where a hill or curve blocks your view.

Unless posted otherwise, the speed limit in a business or residential area is 25 miles per hour. If another speed is posted, follow that speed limit.

Reduce your speed when roads are snow-covered or icy. Doing this and increasing your following distance are the most important techniques for avoiding crashes under snowy or icy conditions.

You may cross a single broken line to pass or change lanes as long as you can do so safely and without interfering with traffic.

You must use the proper turn signal any time you pull away from a curb.

Activate your headlights when driving under any conditions that prevent you from seeing at least 1,000 feet in front of your vehicle.

When changing lanes, it is important to check your blind spots. Do this by looking over your shoulder toward the next lane. Do not rely only on your mirrors.

Don’t make a last-minute turn into an exit. If you pass your exit, you must go to the next one.

In dry conditions, motorcycles can stop more quickly than cars. Therefore, a driver behind a motorcycle should allow at least three to four seconds of following distance so that the motorcyclist has time to maneuver in an emergency.

Regulation signs regulate traffic speed and movement, displaying rules which drivers must obey. This regulation sign indicates that parking is not permitted.

Regulation signs regulate traffic speed and movement, displaying rules which drivers must obey. This regulation sign means that right turns are prohibited.

Always signal for an appropriate amount of time before making a lane change or exiting a freeway. Before you make any move to the right or left, quickly turn your head and look over your shoulder to see if your blind spot is clear.