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Tüm alıştırma soruları

2524 soru

Tüm türler2,524Çoktan seçmeli1,281Çoklu seçim4Doğru / Yanlış972Eşleştirme89Sıralama178
Soru 1621Soru →

By driving on public roadways, a driver automatically gives 'implied consent' to which of the following requirements?

Cevabı ve açıklamayı göster

Cevap: Submitting to a chemical test of their breath, blood, or urine if lawfully arrested for suspected impaired driving

Cevap

Submitting to a chemical test of their breath, blood, or urine if lawfully arrested for suspected impaired driving
Under implied consent laws, any person who drives a motor vehicle on public roads is deemed to have given consent to evidentiary chemical testing (breath, blood, or urine) if lawfully arrested for suspected impaired driving.

Adım Adım Çözüm

1
Recall the legal definition of implied consent in traffic safety
Recognize that driving on public highways automatically establishes legal consent to submit to evidentiary chemical tests if arrested for DUI.
Implied consent laws maintain road safety by making chemical test compliance a standard condition of using public roads.

Anahtar Kavram

Definition and scope of implied consent laws
Soru 1622Soru →

While driving on an open road, your foot brake suddenly loses all resistance and depresses completely to the floorboard without slowing the car down. Which action should you take first to attempt to restore braking control?

Cevabı ve açıklamayı göster

Cevap: Pump the brake pedal rapidly several times to try building up hydraulic pressure.

Cevap

Rapidly pumping the brake pedal several times is the correct first action to attempt rebuilding hydraulic pressure.
When foot brakes suddenly fail, rapidly pumping the brake pedal is the standard initial action because modern dual-hydraulic systems can often build up sufficient residual fluid pressure to slow or stop the vehicle.

Adım Adım Çözüm

1
Identify loss of pedal resistance.
Recognize primary foot brake system failure.
Immediate diagnostic awareness allows prompt emergency response.
2
Pump the brake pedal fast and repeatedly.
Compress remaining fluid in hydraulic lines.
Pumping can restore temporary hydraulic pressure in partial or dual-master-cylinder brake systems.
3
Prepare secondary control measures.
Downshift to lower gear and apply parking brake gradually if pumping fails.
Engine braking and controlled secondary braking bring the vehicle to a safe halt.

Anahtar Kavram

Hydraulic Brake Failure Management
Tahmini Süre:45s
Soru 1623Soru →

When a large commercial truck signals a right turn and swings left into an adjacent lane, it is safe for a trailing vehicle to pass the truck on its right side.

Cevabı ve açıklamayı göster

Cevap: False

Cevap

False
The statement is false because large commercial trucks must swing wide to the left to complete a right turn. Passing on the right during this maneuver exposes vehicles to the truck's blind spot and the path of the off-tracking rear wheels, causing a severe right-turn squeeze collision.

Adım Adım Çözüm

1
Analyze truck turning mechanics and off-tracking
Large combination vehicles experience off-tracking, where the rear wheels follow a shorter path than the front wheels during a turn.
Truck drivers must maneuver the tractor wide to the left to ensure the trailer clears the curb or street corner.
2
Evaluate the risk of entering the right lane gap
Entering the open space created on the right side of a turning truck positions the vehicle in the truck's blind spot and in the direct path of the closing trailer.
The driver of the truck cannot see vehicles on the inside of the turn, leading to a right-turn squeeze accident.

Anahtar Kavram

Right-Turn Squeeze and Off-Tracking Hazards
Soru 1624Soru →

You are driving on a rural two-lane road and come behind a slow-moving farm tractor traveling at 20 mph. The road currently has a solid yellow line marked on your side of the center line. What is the safest and legally compliant action to take before attempting to pass?

Cevabı ve açıklamayı göster

Cevap: Wait until you reach a roadway section with a broken yellow line on your side and a clear view of oncoming traffic before initiating a pass.

Cevap

Wait until you reach a roadway section with a broken yellow line on your side and a clear view of oncoming traffic before initiating a pass.
When trailing a slow-moving vehicle on a rural road, drivers must follow standard traffic laws regarding pavement markings and sight lines. Passing is only permitted when there is a broken yellow line on your side, sufficient distance, and no oncoming traffic.

Adım Adım Çözüm

1
Identify the vehicle and roadway markings
Recognize the tractor as a slow-moving vehicle and note the solid yellow line on your side of the road.
Solid yellow lines indicate a no-passing zone to protect drivers from reduced visibility or hazards.
2
Evaluate passing safety requirements
Determine that passing is prohibited across solid yellow lines and near intersections.
Farm machinery may turn unexpectedly into field entrances or side roads, making illegal passing extremely hazardous.
3
Select the compliant driving maneuver
Maintain a safe following distance until reaching a legal passing zone marked by a broken yellow line with clear forward visibility.
Ensures compliance with traffic laws and prevents head-on or broadside collisions.

Anahtar Kavram

Rules for safely and legally passing slow-moving farm equipment on two-lane rural roads.
Tahmini Süre:1m 0s
Soru 1625Soru →

A 24-year-old motorist operating a private passenger automobile is stopped by law enforcement for a non-working brake light. Under standard traffic safety laws, at or above what Blood Alcohol Concentration (BAC) limit is an adult non-commercial driver considered legally impaired per se?

Cevabı ve açıklamayı göster

Cevap: 0.08%0.08\%

Cevap

A Blood Alcohol Concentration (BAC) of 0.08%0.08\% or higher.
For non-commercial drivers aged 21 and older, driving with a Blood Alcohol Concentration (BAC) of 0.08%0.08\% or higher is illegal per se across standard driver licensing jurisdictions.

Adım Adım Çözüm

1
Identify the driver category and age group described in the scenario.
The driver is an adult (2424 years old) operating a non-commercial private passenger vehicle.
Statutory BAC limits vary depending on age (under 21 vs. 21 and older) and vehicle type (commercial vs. non-commercial).
2
Apply the statutory BAC threshold for adult non-commercial drivers.
The statutory per se legal limit for adult non-commercial drivers is 0.08%0.08\%.
At a BAC of 0.08%0.08\% or greater, a driver is legally presumed impaired under standard state motor vehicle laws without requiring additional proof of driving performance failure.

Anahtar Kavram

Statutory BAC Limits for Adult Non-Commercial Drivers
Soru 1626Soru →

You are driving on a highway during late autumn when the ambient temperature drops to near freezing (32∘F32^\circ\text{F} / 0∘F0^\circ\text{F}). As you approach an elevated bridge deck while experiencing light precipitation, which action should you take to safely navigate this road section?

Cevabı ve açıklamayı göster

Cevap: Slow down before reaching the bridge, as elevated structures freeze faster than standard road surfaces due to air circulation above and below.

Cevap

Reduce vehicle speed before driving onto the bridge because elevated structures freeze earlier than ground-level roadways owing to cold air airflow both above and beneath the bridge deck.
Elevated bridge decks and overpasses freeze first during freezing rain or near-freezing conditions because cold air circulates underneath as well as over the road surface. Drivers must reduce speed before reaching the bridge to maintain vehicle stability without abrupt braking.

Adım Adım Çözüm

1
Assess environmental hazards
Recognize that temperatures near 32∘F32^\circ\text{F} (0∘C0^\circ\text{C}) combined with moisture create invisible freezing hazards on elevated road structures.
Bridges lose heat from both top and bottom surfaces, making them freeze significantly faster than surrounding ground roadways.
2
Adjust vehicle speed proactively
Ease off the accelerator to reduce speed gradually before wheels touch the bridge surface.
Slowing down beforehand avoids the need to brake or turn sharply while on a slippery surface.

Anahtar Kavram

Bridge deck icing and speed control in near-freezing conditions
Tahmini Süre:1m 0s
Soru 1627Soru →

When stopping your vehicle behind a large commercial truck at an intersection on an uphill grade, you should maintain a greater distance than normal because heavy trucks can roll backward slightly when beginning to move.

Cevabı ve açıklamayı göster

Cevap: True

Cevap

True
The statement is true because large commercial trucks often roll backward slightly when starting from a full stop on a steep incline due to the operational delay between brake disengagement and power application. Maintaining extra stopping distance provides a safe cushion against collision and keeps your vehicle visible in the truck driver's side mirrors.

Adım Adım Çözüm

1
Analyze the mechanical behavior of large commercial vehicles when starting from a full stop on an upgrade.
Heavy trucks carrying substantial freight often experience slight backward movement during the brief transition between releasing the foot brake and applying engine torque.
Understanding heavy vehicle operational dynamics helps drivers anticipate potential hazards when stopped near trucks.
2
Evaluate safe stopping distance recommendations for passenger vehicles stopped behind trucks on inclines.
Drivers should leave an expanded safety buffer—at least one to two extra car lengths—behind a stopped truck on a hill.
This extra buffer prevents a collision if the truck rolls back and keeps your vehicle visible in the truck's side mirrors beyond its rear No-Zone.

Anahtar Kavram

Commercial Truck Hill Stopping Distance and Rollback Hazard
Tahmini Süre:45s
Soru 1628Soru →

Drivers approaching a school bus displaying flashing yellow lights are legally required to bring their vehicle to a complete stop immediately.

Cevabı ve açıklamayı göster

Cevap: False

Cevap

The statement is False. Flashing yellow lights on a school bus signal that the bus is preparing to stop, instructing drivers to slow down and prepare to stop rather than requiring an immediate complete stop.
Flashing yellow lights on a school bus notify drivers that the bus is preparing to stop. Drivers must slow down and be ready to stop, but an actual stop is not legally required until the red lights are activated.

Adım Adım Çözüm

1
Identify the signal state displayed by the school bus.
The bus is displaying flashing yellow lights.
Different colored flashing lights on a school bus communicate distinct legal duties to surrounding drivers.
2
Apply traffic rules governing school bus warning lights.
Flashing yellow lights indicate driver preparation to stop; flashing red lights require an immediate stop.
Yellow lights serve as an advance caution signal so drivers can reduce speed safely before the red lights activate.

Anahtar Kavram

Distinction between flashing yellow (prepare to stop) and flashing red (mandatory stop) lights on school buses
Soru 1629Soru →

When entering an active highway work zone marked with orange warning signs and traffic cones, which driving behavior is required for safety?

Cevabı ve açıklamayı göster

Cevap: Reduce speed, increase following distance, and stay alert for workers and changing lane conditions.

Cevap

Reduce speed, increase following distance, and stay alert for workers and changing lane conditions.
In active highway work zones, safety regulations require motorists to lower their speed, maintain a greater following distance to accommodate sudden stops, and remain vigilant for workers, equipment, and shifting traffic paths.

Adım Adım Çözüm

1
Identify the environment and hazards
Recognize that active work zones feature reduced lane widths, temporary lane shifts, heavy equipment, and exposed personnel.
Understanding the physical hazards requires driver adaptation beyond normal highway operating habits.
2
Apply safe driving principles for work zones
Lower speed appropriate to the work zone advisory or temporary regulatory signs and widen the buffer space behind preceding vehicles.
Slower speeds and larger following gaps provide adequate time to react to unexpected stops or shifting traffic patterns.

Anahtar Kavram

Work Zone Speed Reduction and Hazard Anticipation
Soru 1630Soru →

A 25-year-old driver is convicted of operating a vehicle under the influence of alcohol for the first time. What legal administrative penalty will the Department of Motor Vehicles (DMV) issue regarding their driving privileges?

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Cevap: A mandatory suspension of the driver's license for a specified statutory period.

Cevap

A first-time DUI conviction results in a mandatory statutory suspension of driving privileges.
Under motor vehicle laws, a conviction for driving under the influence requires a mandatory administrative suspension of the individual's driver's license for a specific timeframe established by statute.

Adım Adım Çözüm

1
Identify the offense committed in the scenario.
The driver committed a first-time DUI offense.
Establishing the specific infraction determines the applicable statutory penalties under traffic law.
2
Determine the standard administrative license penalty for a first DUI conviction.
The DMV mandates a temporary suspension of driving privileges.
State motor vehicle laws require a period of license suspension following a DUI conviction to promote public safety.

Anahtar Kavram

DUI Legal Consequences and License Suspension
Soru 1631Soru →

If a pedestrian is still in a marked crosswalk when your traffic signal turns green, you must yield the right-of-way and wait for them to finish crossing before proceeding.

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Cevap: True

Cevap

True. Drivers must yield to pedestrians already established within a crosswalk when the signal changes to green.
State traffic laws mandate that drivers turning or proceeding straight on a green signal must yield to pedestrians who are still crossing within the crosswalk.

Adım Adım Çözüm

1
Evaluate the driver's duty at a green traffic light when pedestrians are present in the crosswalk.
A green signal permits a driver to proceed only after yielding to pedestrians lawfully in the intersection or crosswalk.
Traffic safety regulations dictate that drivers must exercise due care to protect pedestrians established in the roadway regardless of signal changes.

Anahtar Kavram

Pedestrian Right-of-Way at Signalized Intersections
Soru 1632Soru →

Is the following statement true or false? Stopping the service of alcohol to a guest one hour before a party ends ensures that their Blood Alcohol Concentration (BAC) will return to zero in time to drive home safely.

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Cevap: False

Cevap

False. The statement is false because alcohol elimination depends on the total quantity of alcohol consumed and the steady rate of liver metabolism, not simply on stopping drinking one hour before driving.
The correct answer is False because alcohol elimination is governed strictly by time and liver metabolic capacity. The body metabolizes approximately one standard drink per hour. If an individual has consumed multiple beverages over an evening, stopping alcohol intake one hour before driving will leave significant residual alcohol in their system, keeping their BAC elevated and impairing their driving abilities.

Adım Adım Çözüm

1
Analyze the rate of human alcohol metabolism.
The human body metabolizes alcohol at a constant rate of roughly one standard drink (or about 0.015 BAC) per hour.
Biological elimination of alcohol cannot be accelerated by short resting periods or host interventions.
2
Evaluate the effect of stopping alcohol service one hour before departure.
If a guest has consumed several drinks over the course of an evening, one hour is insufficient time for their Blood Alcohol Concentration to return to zero.
Accumulated alcohol from prior hours remains in the bloodstream until the liver has had enough time to process each drink sequentially.
3
Determine the truth value of the host prevention strategy statement.
The claim that a one-hour cutoff guarantees safe driving condition is false.
Hosts must arrange alternative transportation or ensure complete sobriety rather than relying on a fixed one-hour timeframe.

Anahtar Kavram

Alcohol Metabolism Rate and Event Host Prevention Strategies
Tahmini Süre:45s
Soru 1633Soru →

A driver can be lawfully charged with Driving Under the Influence (DUI) if their driving capability is impaired by an over-the-counter sleep aid, regardless of whether the medication was legally purchased without a doctor's prescription.

Cevabı ve açıklamayı göster

Cevap: True

Cevap

True. Operating a motor vehicle while impaired by any substance—including legally acquired over-the-counter sleep aids—is a violation of driving under the influence laws.
Driving under the influence (DUI) laws strictly prohibit driving while impaired by any chemical substance that affects safe vehicle operation. Over-the-counter sleep aids commonly contain sedating agents that impair reflexes and alertness, making their use prior to driving subject to full DUI penalties.

Adım Adım Çözüm

1
Identify the substance and legal context presented in the statement.
The scenario involves a driver impaired by an over-the-counter sleep aid legally purchased without a prescription.
Determining the nature of the substance helps evaluate how traffic safety laws apply to non-prescription drug usage.
2
Apply traffic safety laws regarding drug-impaired driving.
DUI laws regulate driver impairment level rather than the legal classification or purchase method of the substance.
Safe driving requires full physical and mental control; any substance impairing vision, reaction time, or judgment renders driving unlawful.

Anahtar Kavram

Legal Responsibility and DUI Enforcement for Over-the-Counter Drug Impairment
Soru 1634Soru →

You are driving across a straight, icy bridge at night when your vehicle's rear wheels lose traction and the back end slides to the left. In what sequence should you perform the following actions to safely recover control of your vehicle?

Öğeleri doğru sıraya koymak için sürükleyin

Cevabı ve açıklamayı göster

Cevap

The correct order of actions is: 1) Ease off the accelerator completely without braking, 2) Look down the road toward your intended path, 3) Steer to the left (into the skid), and 4) Counter-steer back toward center as traction returns.
Recovering from a rear-wheel skid requires immediate release of the accelerator without braking to let rolling traction return, maintaining visual focus on the intended path, steering into the skid (to the left), and counter-steering as the vehicle straightens to prevent secondary skid momentum.

Adım Adım Çözüm

1
Release accelerator input without applying brakes
Engine torque is removed from the drive wheels, allowing tire friction to rebuild
Hard braking or sudden acceleration breaks remaining tire traction
2
Establish visual reference toward the desired path of travel
Prepares precise hand-eye coordination for steering input
Drivers naturally steer toward where their eyes are focused
3
Turn steering wheel into the direction of the rear-wheel skid
Front wheels realign with the vehicle's vector of motion
Neutralizes rotational slip and stops the rear end from overtaking the front
4
Perform progressive counter-steering as vehicle realigns
Prevents overcorrection
Cancels the pendulum effect that causes secondary fishtailing

Anahtar Kavram

Rear-Wheel Oversteer Skid Recovery
Soru 1635Soru →

Match each commercial driver license (CDL) endorsement code on the left with its corresponding legal authorization or vehicle operation requirement on the right.

Soldaki öğeye tıklayın, sonra eşleşen sağdaki öğeye tıklayın

Öğeler

N Endorsement
H Endorsement
X Endorsement
T Endorsement

Eşleşmeler

Cevabı ve açıklamayı göster

Cevap

N Endorsement matches Tank Vehicles; H Endorsement matches Hazardous Materials; X Endorsement matches Combination Tank and HazMat; T Endorsement matches Double/Triple Trailers.
Under standardized driver licensing frameworks, commercial endorsement letters represent explicit operational capabilities: N governs tank vehicles, H governs placarded hazardous materials, X combines both tank and HazMat authorizations, and T permits towing double or triple trailers.

Adım Adım Çözüm

1
Identify the standard single-letter endorsement codes designated under commercial driver licensing standards.
N is designated for Tank vehicles, H for Hazardous Materials, X for Combination Tank/HazMat, and T for Double/Triple trailers.
Understanding federal CDL endorsement classifications ensures proper operational authorization.
2
Map each endorsement code to its specific vehicle capacity or hazardous material condition.
N pairs with bulk liquid/gas tanks, H pairs with placarded dangerous goods, X pairs with vehicles requiring both tank and HazMat credentials, and T pairs with multi-trailer combinations.
Each code governs specific safety regulations and operational limits under state and federal law.

Anahtar Kavram

Commercial Driver License (CDL) Endorsement Codes and Vehicle Class Authorizations
Soru 1636Soru →

During a rainstorm, oil and grease accumulate on the roadway surface and mix with water. Which of the following time periods presents the highest risk of traction loss from this slippery oil mixture?

Cevabı ve açıklamayı göster

Cevap: During the first few minutes after light rain starts to fall

Cevap

During the first few minutes after light rain starts to fall
The correct answer highlights that oil and grease float to the surface during the first few minutes of rain, forming a dangerously slick film before prolonged rain washes the residue off the roadway.

Adım Adım Çözüm

1
Identify the cause of initial wet road slipperiness
Motor oil, fuel, and grease accumulate on dry roads over time without being washed away.
Road surfaces collect hydrophobic petroleum residues during dry periods.
2
Analyze how water affects these surface deposits at the onset of rain
The first drops of rain float the oil film to the surface of the water, creating an extraordinarily slick layer.
Oil is less dense than water and floats on top before sufficient rain volume washes it onto the shoulder.
3
Select the condition with peak traction hazard
The highest hazard occurs within the first few minutes of rain falling.
Driver awareness must be highest immediately when rain begins.

Anahtar Kavram

Initial Rainfall Slickness and Traction Loss
Soru 1637Soru →

After overtaking a semi-trailer on a highway, which visual reference confirms that you have established a safe distance in the front No-Zone before merging back into the lane ahead of the truck?

Cevabı ve açıklamayı göster

Cevap: Both headlights of the truck are fully visible in your interior rearview mirror.

Cevap

You can see both headlights of the truck in your interior rearview mirror.
The correct option is seeing both headlights of the truck in your interior rearview mirror. This ensures your vehicle has moved far enough ahead to exit the truck's front No-Zone and maintain a safe stopping cushion.

Adım Adım Çözüm

1
Identify the safety risk when merging in front of large commercial trucks.
Large trucks require significantly longer stopping distances and have an extended front blind spot (front No-Zone).
Cutting in front too closely deprives the truck driver of adequate space to stop in an emergency.
2
Determine the proper visual benchmark for safe lane re-entry.
Confirming that both headlights of the truck appear in the interior rearview mirror ensures adequate distance.
This rule of thumb verifies that your vehicle is well outside the truck's front No-Zone.

Anahtar Kavram

Front No-Zone cushion and safe overtaking clearance for large commercial vehicles.
Tahmini Süre:45s
Soru 1638Soru →

While navigating a curved road section, a driver experiences a sudden front tire tread separation that causes the vehicle to pull strongly toward the outer edge of the lane. What is the correct initial sequence of actions the driver should take to maintain control and safely stop?

Cevabı ve açıklamayı göster

Cevap: Maintain a firm grip on the steering wheel to control the direction, gradually ease off the accelerator, and apply gentle braking only after the vehicle has slowed down significantly.

Cevap

Maintain a firm grip on the steering wheel to control direction, ease off the accelerator gradually, and apply gentle braking only after the vehicle has slowed down significantly.
The correct response requires keeping two hands firmly on the steering wheel to counteract the violent pull, letting off the gas pedal smoothly so natural rolling resistance decreases speed, and using light brake pressure only when the vehicle has slowed to a manageable speed.

Adım Adım Çözüm

1
Stabilize steering direction
Prevents the vehicle from drifting into adjacent lanes or off the road surface.
Tire blowout causes severe drag and lateral pulling forces that require firm two-handed steering input to counter.
2
Gradually reduce throttle input
Allows engine braking and tire rolling resistance to reduce vehicle momentum smoothly.
Sudden deceleration shifts weight forward rapidly, which can collapse the blown tire rim and induce dynamic instability.
3
Apply light braking at reduced speed
Brings the vehicle safely to a controlled stop on the shoulder.
Braking is safe only after aerodynamic drag and rolling resistance have dissipated most of the kinetic energy.

Anahtar Kavram

Emergency response to tire blowout and tread separation
Soru 1639Soru →

If a vehicle tire suddenly blows out while driving, the driver should immediately depress the brake pedal as hard as possible to bring the vehicle to a swift stop.

Cevabı ve açıklamayı göster

Cevap: False

Cevap

The statement is false. Immediately stepping hard on the brake pedal during a blowout causes a sudden shift in weight and traction dynamics, leading to severe loss of control. The correct action is to hold the wheel firmly, ease off the gas pedal, and pull over safely after the vehicle slows down.
The statement is false. Standard defensive driving procedures instruct drivers to maintain a firm grip on the steering wheel, keep the vehicle moving straight, ease off the accelerator pedal, and avoid pressing the brake until the vehicle has slowed down to a safe, controllable speed.

Adım Adım Çözüm

1
Identify the proper immediate physical response to a blowout.
Recognize that maintaining steering control by gripping the wheel firmly and easing off the gas is primary.
Hard braking transfers weight forward rapidly to a unstable, compromised tire, causing loss of control.
2
Evaluate the safety of emergency stopping procedures.
Confirm that braking should only occur gently after the vehicle speed has significantly decreased.
Gradual speed reduction ensures vehicle stability and allows a safe transition to the shoulder.

Anahtar Kavram

Tire Blowout Immediate Reaction and Braking Procedure
Soru 1640Soru →

You are driving behind a school bus on a two-lane road when its amber (yellow) overhead lights begin flashing. What action should you take?

Cevabı ve açıklamayı göster

Cevap: Slow down and prepare to stop because the bus is about to activate its red flashing lights.

Cevap

Slow down and prepare to stop because the bus is about to activate its red flashing lights.
When a school bus activates its flashing amber (yellow) lights, it signals to surrounding traffic that the bus is preparing to stop to load or unload passengers. The correct action for a driver is to slow down and prepare to stop.

Adım Adım Çözüm

1
Identify the light signal displayed by the school bus.
The bus is displaying flashing amber (yellow) overhead lights.
School buses use amber flashing lights as an advance warning before coming to a stop and activating flashing red lights.
2
Determine the proper driver response for flashing amber lights.
Reduce speed and prepare to bring your vehicle to a complete stop.
The amber lights inform drivers that children are about to enter or exit the bus, so vehicles following or approaching must prepare to stop when the red lights turn on.

Anahtar Kavram

School Bus Amber Flashing Light Warning Procedure
ÖncekiSayfa 82 / 127Sonraki
Tüm alıştırma soruları — DMV Permit Practice Test | Examkin