Washington CAR DMV Practice Test 17

Warning signs prepare drivers for upcoming road conditions and hazards and are usually yellow with black markings. This sign alerts drivers to potential bicycle cross traffic.

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.

Motorcycles are entitled to the width of a full lane. Be sure your vehicle is entirely in the left lane before attempting to pass a motorcycle on the left.

When using a freeway exit ramp, do not slow down until you move onto the exit ramp.

It is illegal for a driver who is age 21 or older to operate a vehicle with a minimum THC level of five nanograms per milliliter of blood. A driver who is under the age of 21 may not operate a vehicle with any detectable amount of THC in their blood. The use of marijuana while driving can be extremely dangerous.

Anything that causes you to take your attention away from driving, take your eyes off the road, and/or take your hands off the wheel is a distraction.

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.

If you must drive in foggy conditions, you should use your low beam headlights, as well as your fog lights, if your vehicle has them. High beams direct their light upwards, where it can bounce off the fog and into your eyes, reducing visibility even more.

Many crashes are caused by drivers who are driving too fast for conditions. Always drive within the legal speed limits and decrease your speed any time conditions are less than perfect.

Warning signs are usually diamond-shaped with black markings on a yellow background. They alert drivers to upcoming hazards. This sign indicates that drivers are approaching a steep hill and should prepare to adjust their speeds to continue to drive safely.

When parking facing uphill on a street that has a curb, set your parking brake and turn your steering wheel away from the curb. This way, if your vehicle starts to roll, it will roll into the curb.

Warning signs are usually diamond-shaped with black markings on a yellow background. They alert drivers to upcoming hazards. This sign warns drivers that the right lane is ending or that the road is narrowing ahead.

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.

After stopping for a school bus that has its stop arm extended and its lights flashing, watch for children walking along the side of the road. You should always drive with caution when driving near children.

This sign indicates that there is a traffic signal ahead.

Drivers must not enter an intersection unless they can get through it without having to stop. When turning left, you should wait until oncoming traffic and pedestrians clear so you are not blocking the intersection when the light turns red.

Consuming alcohol and other drugs together can increase the impairing effects of both. For example, having one drink while you are also using a cold remedy could affect you as much as several drinks would when being consumed separately from any medications.

Drivers must be aware that large vehicles often travel at a speed slower than the posted speed limit, especially when driving on an incline, and should use caution when approaching a large vehicle from the rear. When on a hill with limited visibility, it is unlawful to pass another vehicle.

If a tire on your vehicle suddenly goes flat, hold the steering wheel tightly and keep the vehicle going straight. Slow down gradually by taking your foot off the accelerator and use the brakes lightly. Pull off of the road and steer to a safe location, if at all possible.

Diamond-shaped signs warn drivers of existing or potential driving hazards. You will usually see these signs in yellow or orange.

You should slow down at the first sign of rain, snow, or sleet, all of which can create slippery road conditions. When conditions on the road are less than ideal, safety may require that you drive more slowly than the posted speed limit.

The distance that a vehicle needs to stop depends on the motorist's reaction time, weather and visibility conditions, the vehicle's weight, the conditions of the vehicle's brakes, the condition and type of the vehicle's tires, roadway conditions, and speed.

Guide signs, sometimes known as destination signs, have a green background and provide directional and mileage information to specific destinations. They can be a helpful resource when driving in unfamiliar locations.

You should not stop in a travel lane for any reason. Instead, keep moving until you can safely pull off of the road. If you miss your turn or exit, do not back up. Go to the next turn or exit or where you can safely turn around.

At a green light, oncoming traffic has the right-of-way. Unless a posted sign prohibits it, you may turn left, but only when it is safe to do so.