Maryland CAR DMV Practice Test 17

Airbags are important safety devices that provide protection in crashes. For best protection, a vehicle's lap and shoulder belts should be used in combination with airbags.

Any person who drives or attempts to drive a motor vehicle on a roadway in Maryland consents to take a test determining the concentration of alcohol, or any other controlled dangerous substance, in their blood. The MVA will suspend the license of any driver who submits to the test and is determined to have at least a 0.08 percent blood alcohol concentration (BAC).

You must stop at a railroad crossing when directed to do so by a flagger, stop sign, or warning signal. Use caution when driving near railroad tracks.

Warning signs provide notice to road users of a situation that might not be readily apparent and are usually yellow with black markings. This sign warns drivers of an upcoming steep hill. Drivers should adjust their speed accordingly to avoid collisions and brake damage.

Use low beam headlights when driving in fog, rain, or snow. High beams may reflect off of the weather and make visibility even poorer.

Pentagonal signs mean you are approaching a school zone and/or school crossing. When you see these signs, be alert and prepare to stop.

Regulatory signs provide notice to road users of traffic laws and must be obeyed. Where this sign is posted, making a right turn is prohibited.

When driving during unfavorable weather conditions, avoid slamming on the brakes and making sharp, quick turns. These behaviors will make controlling your vehicle in inclement weather even more difficult.

If an oncoming driver fails to dim their headlights, look toward the right side of the road. This will keep you from being blinded by the other vehicle’s headlights and allow you to see enough of the road to stay on course. Do not try to retaliate by keeping your bright lights on.

Instructions given by police officers directing traffic always override posted traffic signals and signs. Follow the officer's instructions.

This sign indicates that U-turns are prohibited. You may see a sign like this at an intersection that commonly has oncoming traffic.

Before changing lanes, it is very important to check behind you. You should look over your shoulder to ensure that you are not getting in the way of vehicles in the lane you want to enter. Before changing lanes, you should also ensure that no drivers are attempting to drive into the same spot from a different lane.

You must turn on your headlights any time conditions prevent you from seeing other vehicles. Other drivers may have trouble seeing you, too.

You must not pass a vehicle that is stopped at a crosswalk. There may be pedestrians crossing the street that you cannot see. Instead, stop, proceeding only after all pedestrians have crossed.

You must use your headlights at any time when conditions prevent you from seeing other vehicles and when it may be difficult for other drivers to see you. Always use your low beam headlights if weather conditions require you to use your windshield wipers.

Where this sign is posted, it is prohibited to make a right turn. It would be unsafe and unlawful to make a right turn at an intersection with this sign.

If a tire suddenly blows out while you are driving, hold the steering wheel tightly and keep the vehicle going straight.You should slow down gradually, taking your foot off the gas pedal and using the brakes lightly. Do not stop on the road if at all possible. Pull off the road in a safe place.

Diamond-shaped signs are used to warn of actual or possible hazards. The color orange is used for warning signs usually found in construction or maintenance areas.

A driver’s ability to safely operate a vehicle may be impaired at any BAC level, even a level lower than the legal limit. Any amount of alcohol can affect one’s judgment and physical coordination. Driving under the influence of even a small amount of alcohol can lead to criminal charges.

When approaching a yield sign, drivers must give the right-of-way to traffic already in the lanes that they intend to enter or cross. Drivers should be prepared to stop when approaching a yield sign but may continue without stopping if there is no conflicting traffic.

You may encounter slow-moving vehicles on the roadways, such as bicycles, horse-drawn vehicles, or farm vehicles. Some of these vehicles may display this emblem to warn other drivers that they will only be traveling at speeds of 25 mph or slower.

When approaching a pedestrian who is using a white cane or guide dog while crossing the street, you must stop until the person is well away from your path of travel. Always yield the right-of-way to blind pedestrians.

Drivers of trucks, buses, vans, and any vehicles pulling campers or trailers may not be able to see you if you are driving directly behind them. Increase your following distance when driving behind one of these vehicles. Additionally, large vehicles can block your view of the road, so increase your following distance to look around the sides of the vehicle and see the road ahead.

Pedestrian crosswalks are often shown by white, solid lines to emphasize pedestrian crossing points. Crosswalks may have additional lines between the white, solid lines or in place of the parallel lines. However, crosswalks may also be unmarked.

A traffic signal displaying a flashing yellow light indicates that you should be alert and proceed with caution. Slow down when approaching a flashing yellow traffic signal.