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Question 1741Question →

An off-duty 35-year-old motorist holds a Commercial Driver License (CDL) but is currently driving their private family sedan on a public roadway. Under standard traffic safety laws, what is the maximum Blood Alcohol Concentration (BAC) threshold at or above which this driver is considered legally impaired (per se DUI)?

Show answer & explanation

Answer: 0.08%0.08\%

Answer

0.08%0.08\% Blood Alcohol Concentration (BAC)
For adult drivers aged 21 and older operating a private passenger automobile, the legal per se Blood Alcohol Concentration (BAC) limit is 0.08%0.08\%. Although the driver possesses a Commercial Driver License (CDL), the stricter statutory limit of 0.04%0.04\% applies exclusively when actively operating a commercial motor vehicle.

Step-by-Step Solution

1
Identify the driver's age and the type of vehicle being operated
The driver is 35 years old (adult aged 21+) and is operating a private non-commercial vehicle.
Statutory BAC limits are determined by the classification of the vehicle being driven and the driver's age, rather than license class alone.
2
Determine the applicable legal per se BAC threshold
The applicable statutory limit is 0.08%0.08\%.
While CDL holders are held to a stricter 0.04%0.04\% BAC limit when driving a commercial motor vehicle, the standard adult 0.08%0.08\% limit applies when they drive a private passenger vehicle.

Key Concept

Blood Alcohol Concentration (BAC) Limits by Vehicle Classification
Estimated Time:1m 0s
Question 1742Question →

You are driving on a two-lane road with a single lane in each direction. Up ahead, a police vehicle is stopped on the right shoulder with its flashing lights activated. Because of heavy oncoming traffic, you are unable to change lanes to clear the space next to the stopped vehicle. What does the Move-Over law require you to do in this situation?

Show answer & explanation

Answer: Slow down significantly below the posted speed limit and proceed past the stopped vehicle with caution.

Answer

Slow down significantly below the posted speed limit and proceed past the stopped vehicle with caution.
Under Move-Over laws, if a driver cannot safely change lanes—such as on a two-lane road with continuous oncoming traffic—the driver is required to reduce speed significantly below the posted speed limit and proceed with extreme caution past the stationary emergency vehicle.

Step-by-Step Solution

1
Identify the roadside hazard and emergency vehicle status.
Recognize a stationary law enforcement vehicle operating with active emergency lights on the shoulder.
Move-Over laws apply whenever approaching stopped emergency or recovery vehicles displaying active visual signals.
2
Evaluate lane change availability.
Determine that moving into an adjacent lane is impossible due to oncoming traffic on the two-lane roadway.
Move-Over statutes dictate alternative mandatory actions when a lane change cannot be executed safely.
3
Apply the appropriate alternative rule under the Move-Over law.
Reduce vehicle speed significantly below the posted limit and pass the vehicle cautiously.
Slowing down provides a safety margin for first responders when spatial buffer lanes are unavailable.

Key Concept

Move-Over Law Compliance on Single-Lane and Two-Lane Roadways
Estimated Time:45s
Question 1743Question →

A driver whose license was formally revoked following a major conviction has completed the minimum statutory waiting period of 12 months. The driver believes that their driving privileges are now automatically restored and resumes driving immediately. Which of the following statements accurately describes the driver's legal license status and the required administrative procedure under state licensing rules?

Show answer & explanation

Answer: The driving privilege remains completely terminated, and the driver must submit a formal application for re-licensing, pay reinstatement fees, and pass all required written, vision, and driving tests.

Answer

The driving privilege remains completely terminated, and the driver must submit a formal application for re-licensing, pay reinstatement fees, and pass all required written, vision, and driving tests.
License revocation represents the complete termination of a driver's license and privilege to operate a motor vehicle. Expiration of the mandatory minimum revocation timeframe simply means the person is eligible to begin the re-licensing process. Reinstatement requires completing the full application process, paying required fees, and passing all administrative, written, vision, and road skills tests.

Step-by-Step Solution

1
Analyze the administrative action type in the scenario
The action taken was a license revocation following a major conviction, not a suspension or cancellation.
Revocation carries distinct legal consequences compared to suspension (temporary hold) or cancellation (voiding).
2
Differentiate reinstatement requirements between suspension and revocation
Suspension usually requires waiting out the period and paying a fee. Revocation requires starting the entire licensing procedure over from the beginning.
Revocation terminates the underlying legal authorization to operate a motor vehicle.
3
Determine the status at the end of the mandatory waiting period
The end of the waiting period merely marks the date the individual becomes eligible to re-apply for a new driver license.
Privileges are never automatically restored after a revocation.

Key Concept

Distinction between License Suspension, Revocation, and Cancellation Procedures
Question 1744Question →

Under state implied consent laws, an unconscious or incapacitated driver involved in a collision is legally considered not to have withdrawn consent to a chemical test of their blood.

Show answer & explanation

Answer: True

Answer

True
Under implied consent provisions, operating a motor vehicle constitutes advance agreement to chemical testing. If a driver is incapacitated or unconscious, the law explicitly presumes that implied consent has not been withdrawn, permitting a chemical blood test.

Step-by-Step Solution

1
Identify the foundational principle of implied consent laws.
Driving on public roads implies advance agreement to undergo chemical testing if lawfully requested by an officer.
Consent is granted automatically as a condition of receiving driving privileges.
2
Evaluate how unconsciousness or medical incapacitation affects implied consent.
Statutes specify that loss of consciousness does not legally constitute a withdrawal of implied consent.
Authorized medical or law enforcement personnel may administer a blood test to determine impairment status.

Key Concept

Implied consent provisions for incapacitated or unconscious drivers
Question 1745Question →

A driver whose state driver's license has been expired for three days must retake and pass the behind-the-wheel driving skills test to renew the license.

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Answer: False

Answer

False
The statement is false. Drivers who renew a license shortly after its expiration date are only subject to standard renewal fees and potential late penalties. Retaking the practical behind-the-wheel driving test is not required unless the license has remained expired for an extended period (typically one year or longer depending on jurisdiction).

Step-by-Step Solution

1
Identify the administrative rule governing short-term license expiration.
Driver licensing agencies establish grace or standard penalty windows for recently expired credentials.
Determines whether a minor deadline lapse necessitates a simple administrative renewal or a full re-testing protocol.
2
Evaluate the testing requirement for a three-day expiration.
A three-day lapse does not require retaking the behind-the-wheel driving exam.
Road re-tests are reserved for prolonged expiration periods (commonly over 1 to 2 years) or specific administrative sanctions.

Key Concept

Driver License Renewal and Expiration Re-testing Requirements
Question 1746Question →

Completing a state-approved driver improvement course to mitigate accumulated points prevents an administrative license suspension and completely erases the underlying traffic conviction from the driver's official public record.

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Answer: False

Answer

The statement is False. Completing an approved driver improvement course may reduce active point totals for administrative tracking, but it does not expunge or delete the conviction record from the official driving history.
Completing an approved defensive driving course allows drivers to reduce their active point total to avoid administrative actions like license suspension. However, the conviction itself remains on the official driving record and continues to be accessible by insurance carriers and legal authorities.

Step-by-Step Solution

1
Differentiate between administrative points and conviction history.
Administrative points are calculated to evaluate immediate licensing actions (such as warning letters or suspensions), whereas conviction history is a permanent record of traffic offenses.
Point systems function as an administrative mechanism separate from criminal or traffic court conviction records.
2
Evaluate the administrative impact of driver improvement courses.
Successful course completion deducts points or prevents point accumulation toward suspension thresholds.
State licensing agencies offer point reduction incentives to encourage defensive driving education.
3
Determine the impact on the underlying conviction.
The conviction entry remains permanently visible on the driver's record for court, law enforcement, and insurance evaluations.
Administrative point mitigation does not equal judicial expungement or dismissal of a court conviction.

Key Concept

Distinction Between Administrative Point Deduction and Record Expungement
Estimated Time:1m 30s
Question 1747Question →

You are driving toward an uncontrolled intersection where there are no traffic lights, stop signs, or painted lines on the roadway. A pedestrian steps off the sidewalk into an unmarked crosswalk to cross the street. What is your legal duty as a driver?

Show answer & explanation

Answer: Stop and yield the right-of-way to allow the pedestrian to finish crossing safely.

Answer

Stop and yield the right-of-way to allow the pedestrian to finish crossing safely.
By traffic law, an unmarked crosswalk exists at every intersection where sidewalks meet the road, unless explicitly prohibited. Drivers must yield the right-of-way to pedestrians crossing within any marked or unmarked crosswalk.

Step-by-Step Solution

1
Identify the intersection type and pedestrian position
The vehicle is approaching an uncontrolled intersection where a pedestrian has entered an unmarked crosswalk.
Traffic law establishes an implied crosswalk at almost every intersection connecting opposing sidewalks.
2
Apply right-of-way regulations for unmarked crosswalks
The driver must yield the right-of-way by slowing down or stopping.
Pedestrians in unmarked crosswalks have the legal right-of-way over motor vehicles.

Key Concept

Pedestrian Right-of-Way at Unmarked Crosswalks
Estimated Time:45s
Question 1748Question →

If a driver accidentally passes their intended exit while driving on a controlled-access freeway, it is legal to activate hazard lights and carefully reverse along the right shoulder to reach the exit ramp.

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Answer: False

Answer

The statement is false. Drivers are strictly prohibited from backing up on any portion of a freeway, including the shoulders and ramps.
The claim is false because traffic safety laws prohibit backing up anywhere on a freeway, including paved shoulders. Drivers who miss an exit must safely proceed forward to the next exit.

Step-by-Step Solution

1
Evaluate statutory freeway rules regarding directional traffic flow and shoulder usage.
Controlled-access highways forbid reversing, backing up, or making U-turns across any portion of the roadway, including shoulders.
High-speed traffic differential makes unexpected reverse movements an extreme collision risk.
2
Identify the standard legal procedure for missed freeway exits.
The driver must proceed safely to the next exit and reroute using standard public streets or re-entry ramps.
Maintaining consistent forward movement prevents secondary crashes and maintains highway safety.

Key Concept

Freeway Prohibitions on Reversing and Proper Missed Exit Procedure
Question 1749Question →

When a vehicle enters a front-wheel skid (understeer) while navigating a curve on a wet road, forcefully pressing the brake pedal is the recommended technique to immediately regain steering control.

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Answer: False

Answer

False. Forcefully pressing the brake pedal during a front-wheel skid locks the front wheels and eliminates all steering response.
The statement is false because heavy braking during a front-wheel skid locks the front tires and eliminates all steering ability. Regaining control requires smoothly easing off the accelerator so the front tires can resume rolling friction and redirect the vehicle.

Step-by-Step Solution

1
Analyze the mechanics of a front-wheel skid (understeer).
The front tires lose rotational traction and slide, causing the vehicle to plow straight ahead despite turning the steering wheel.
Understanding traction limits explains why directional control is lost during understeer.
2
Evaluate the effect of hard braking on skidding front tires.
Forceful braking locks the front wheels, preventing them from rotating and generating lateral steering forces.
Locked tires cannot produce side grip needed to change the vehicle's direction.
3
Determine the proper control loss recovery method.
Smoothly easing off the accelerator reduces momentum and allows the front tires to resume rolling friction, restoring steering control.
Rolling tires are required to redirect the vehicle along its intended trajectory.

Key Concept

Front-Wheel Skid (Understeer) Recovery
Question 1750Question →

You are driving on a highway at night when dense fog suddenly reduces your visibility to less than 150 feet. Which of the following is the safest procedure to ensure vehicle control and visibility?

Show answer & explanation

Answer: Activate low-beam headlights and reduce your speed to match your visible stopping distance.

Answer

Activate low-beam headlights and reduce your speed to match your visible stopping distance.
In dense fog, low-beam headlights cast light downward onto the road surface without causing reflective glare, while slowing down ensures you can bring your vehicle to a complete stop within the distance you can clearly see ahead.

Step-by-Step Solution

1
Evaluate atmospheric visibility hazards.
Identify that fog reflects light and restricts clear forward sight lines.
Suspended moisture droplets act like tiny mirrors, scattering high-intensity light.
2
Select correct vehicle light controls.
Use low-beam headlights (and fog lights if available).
Low beams direct light down toward the road surface below the fog layer without reflecting glare back into the driver's eyes.
3
Apply the Basic Speed Law.
Decrease vehicle speed until your stopping distance is less than your forward sight distance.
The Basic Speed Law dictates that safe driving speed depends on current weather and road visibility conditions, not just posted numerical limits.

Key Concept

Headlight Management and Speed Control in Reduced Visibility
Question 1751Question →

A driver takes a standard therapeutic dose of an over-the-counter allergy medication containing an antihistamine and subsequently consumes a single alcoholic beverage before driving. Although the driver's Blood Alcohol Concentration (BAC) remains well under the statutory limit of 0.08%, what impact will this combination have on the driver's central nervous system and operating abilities?

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Answer: The impairment is dramatically multiplied because alcohol and medication interact synergistically to produce effects greater than the sum of each substance.

Answer

The combined impairment is multiplied due to a synergistic effect, creating a total level of impairment far greater than the individual effects of the medication and alcohol added together.
When alcohol is combined with prescription or over-the-counter medications, the resulting interaction is synergistic. This means the two substances enhance and multiply each other's depressive effects on the brain, leading to dangerous reductions in reaction speed, visual acuity, and judgment.

Step-by-Step Solution

1
Analyze the substances involved and their physiological interactions
Antihistamines and alcohol both act as central nervous system depressants.
Understanding how active drug ingredients interact with alcohol is necessary to evaluate total driving risk.
2
Differentiate between additive and synergistic effects
Combining medications with alcohol causes a synergistic (multiplicative) reaction rather than a simple mathematical addition of symptoms.
Synergistic effects exponentially increase drowsiness, slow reaction times, and impair motor control regardless of BAC level.

Key Concept

Synergistic Effects of Combining Alcohol and Medication
Estimated Time:1m 0s
Question 1752Question →

When driving across an open bridge during strong crosswinds, accelerating slightly is the recommended driver action to stabilize the vehicle against sudden lateral gusts.

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Answer: False

Answer

False. Proper vehicle control in high winds requires reducing speed and maintaining a firm, two-handed grip on the steering wheel, rather than accelerating.
The statement is false. Accelerating into strong crosswinds reduces control and heightens the risk of lane departure. Safe driving standards dictate slowing down, maintaining a firm grip on the steering wheel with both hands, and allowing extra space around the vehicle.

Step-by-Step Solution

1
Evaluate the effect of speed on vehicle handling during high winds.
Higher speeds reduce effective traction and amplify the lateral drift caused by side gusts.
Aerodynamic lift increases with speed, reducing the force pressing tires against the road.
2
Determine the proper safety procedure for driving in crosswinds.
Drivers must decrease speed, keep both hands on the wheel, and maintain extra spacing from high-profile vehicles.
Lower speeds provide greater vehicle control and give the driver more time to react to sudden wind displacement.

Key Concept

Vehicle Control in High Winds and Crosswinds
Estimated Time:45s
Question 1753Question →

You are driving on a narrow two-lane road behind a bicyclist and intend to pass, but you see an oncoming vehicle approaching from the opposite direction. Which of the following is the correct action to take?

Show answer & explanation

Answer: Slow down and wait behind the bicyclist until oncoming traffic clears before passing with safe clearance.

Answer

Slow down and wait behind the bicyclist until oncoming traffic clears before passing with safe clearance.
When passing a bicyclist, drivers must ensure there is enough clear distance from oncoming traffic to pass safely. If oncoming traffic is present, the driver must reduce speed and wait behind the bicyclist until the opposite lane is clear.

Step-by-Step Solution

1
Assess traffic conditions ahead
Identify that oncoming traffic prevents a safe lane change or passing margin.
Overtaking requires sufficient clear space to avoid colliding with either the bicyclist or oncoming vehicles.
2
Adjust speed and maintain a safe following distance
Slow down and trail the bicyclist at a safe distance until oncoming traffic passes.
Bicyclists share the road and must be given full safety considerations as legal traffic participants.
3
Execute the pass safely once clear
Pass the bicyclist while allowing required clearance distance.
Ensures safety for both the motorist and the vulnerable road user.

Key Concept

Sharing the Road: Safe Overtaking of Bicycles
Estimated Time:45s
Question 1754Question →

If a driver collides with a parked, unattended vehicle and the owner cannot be located, which action is legally required of the driver at the scene?

Show answer & explanation

Answer: Leave a securely attached written note containing contact information and report the incident to law enforcement without delay.

Answer

Leave a securely attached written note containing contact information and report the incident to law enforcement without delay.
When a driver hits an unattended parked vehicle and cannot locate the owner, traffic law requires leaving a written note in a conspicuous place on the vehicle with contact and insurance information, as well as notifying law enforcement promptly.

Step-by-Step Solution

1
Identify the legal obligation when colliding with an unattended parked vehicle.
The driver must attempt to locate the vehicle owner.
Traffic law mandates identifying responsible parties after property damage occurs.
2
Determine the mandatory secondary duty if the owner cannot be found.
Attach a written note with full contact details in a conspicuous place and notify police.
Providing written notice and reporting the incident prevents hit-and-run violations.

Key Concept

Unattended Vehicle Collision On-Scene Legal Duties
Question 1755Question →

While driving at night on a busy multi-lane highway, your vehicle experiences a sudden total headlight failure, leaving you in darkness with traffic following behind. Which sequence of actions represents the safest emergency response?

Show answer & explanation

Answer: Try toggling the headlight switch or high-beam switch, switch on hazard lights, ease off the accelerator without hard braking, and safely pull off onto the right shoulder.

Answer

The safest response is to try toggling the light switch/dimmer switch, turn on hazard warning lights, ease off the accelerator without hard braking, and carefully steer onto the right shoulder.
When total headlight failure occurs at night, the driver must quickly test auxiliary light controls (like dimmer or hazard switches) while signaling trouble to others. Easing off the accelerator avoids sudden rear impacts, allowing a controlled maneuver onto the emergency shoulder.

Step-by-Step Solution

1
Attempt quick corrective switches
Flipping the headlight switch or dimmer switch may activate parking lights or high beams if only the low-beam circuit failed.
Restoring any illumination instantly improves night visibility.
2
Alert surrounding traffic
Activating hazard warning lights signals an emergency to drivers behind and around you.
Since main headlights and taillights may be out, emergency flashers help prevent rear-end crashes.
3
Controlled deceleration and roadway exit
Ease off the gas pedal and guide the vehicle safely toward the shoulder using roadside markers or ambient light.
Hard braking in an active lane poses an extreme collision risk, while pulling off clears the travel lane.

Key Concept

Headlight Failure Emergency Protocol
Estimated Time:1m 30s
Question 1756Question →

A driver is traveling along a rural highway with a posted speed limit of 55 mph when a dense patch of fog suddenly reduces forward visibility to approximately 50 feet. Under traffic safety laws and the Basic Speed Law, which action should the driver take regarding their vehicle speed?

Show answer & explanation

Answer: Reduce speed to a rate that enables stopping within the clear distance visible ahead, even if that speed is far below the posted limit.

Answer

The driver must reduce speed to a rate that allows a complete stop within the visible distance ahead.
Under the Basic Speed Law, drivers must adjust their speed to match current road and weather conditions. In dense fog where sight distance is restricted to 50 feet, the vehicle speed must be reduced to a point where the driver can safely bring the vehicle to a complete stop within that visible space.

Step-by-Step Solution

1
Assess the forward visibility distance in the fog.
Forward sight distance is determined to be approximately 50 feet.
Stopping distance must not exceed the line of sight.
2
Apply the Basic Speed Law to adjust vehicle velocity.
The driver reduces speed to a level where braking to a full stop can occur within the 50-foot clear space ahead.
The posted speed limit indicates maximum safe speed under ideal conditions, not under reduced visibility.

Key Concept

Basic Speed Law in Reduced Visibility
Estimated Time:1m 0s
Question 1757Question →

A 16-year-old driver holding a learner permit plans to practice driving on public roads. Which of the following individuals seated next to the driver in the front passenger seat meets standard Graduated Driver Licensing (GDL) requirements for a supervising driver?

Show answer & explanation

Answer: A 23-year-old licensed driver who is fully alert and capable of controlling the vehicle

Answer

A 23-year-old licensed driver who is fully alert and capable of controlling the vehicle.
Under standard Graduated Driver Licensing laws, a learner permit holder practicing driving must be accompanied by a supervising driver who holds a valid license, is at least 21 years old, sits in the front passenger seat, and is alert and capable. The option featuring an alert 23-year-old licensed driver seated in the front passenger seat complies with every statutory requirement.

Step-by-Step Solution

1
Identify the legal requirements for a supervising driver under standard GDL rules for learner permit holders.
Regulations require the supervisor to hold a valid license, be at least 21 years of age, occupy the front passenger seat, and remain conscious, alert, and capable of instructing or intervening.
Learner permit holders require active, immediate supervision from a qualified adult in close proximity.
2
Evaluate each passenger scenario against the required criteria.
The 18-year-old sibling fails the age threshold (under 21); the sleeping parent fails the requirement to stay alert; the rear-seat passenger fails the front-seat placement requirement. Only the alert 23-year-old licensed driver meets all conditions.
All supervisory conditions must be satisfied simultaneously for the driving operation to be lawful.

Key Concept

Learner Permit Supervising Driver Criteria
Question 1758Question →

While cruising along an expressway, a driver experiences a rapid thumping noise followed by a sharp pull toward the right shoulder due to tire tread separation. What is the recommended immediate course of action to maintain vehicle control?

Show answer & explanation

Answer: Maintain a firm grip on the steering wheel, avoid depressing the brake pedal, and slowly release the accelerator pedal.

Answer

Maintain a firm grip on the steering wheel, avoid depressing the brake pedal, and slowly release the accelerator pedal.
When a tire suffers a blowout or tread separation, the damaged wheel creates strong asymmetric drag. Maintaining a firm steering wheel grip while taking your foot off the gas lets the vehicle decelerate naturally without destabilizing forces from hard braking.

Step-by-Step Solution

1
Stabilize direction
Vehicle maintains straight tracking despite tire traction loss
Holding the steering wheel with both hands prevents the asymmetric drag of the damaged tire from pulling the vehicle off course.
2
Control vehicle speed smoothly
Vehicle gradually decelerates via engine braking and road resistance
Abrupt braking destabilizes weight transfer across damaged rubber, whereas easing off the gas allows controlled slowing.
3
Select a safe pull-off area
Vehicle safely clears active lanes once speed has dropped significantly
Braking gently and signaling should occur only after momentum is controlled and a safe shoulder or exit is identified.

Key Concept

Initial physical and momentum response during a tire failure emergency
Question 1759Question →

Under Move-Over laws, if heavy traffic prevents a driver from safely vacating the lane adjacent to a stationary emergency vehicle displaying flashing lights, the driver is legally permitted to maintain their normal cruising speed as long as they stay centered in their lane.

Show answer & explanation

Answer: False

Answer

The statement is False. Drivers who are unable to change lanes away from a stationary emergency vehicle must slow down below the posted speed limit.
The statement is false because Move-Over laws mandate a two-part requirement: drivers must move over a lane if safe to do so, OR significantly reduce their speed if changing lanes is unsafe or impossible due to traffic.

Step-by-Step Solution

1
Identify the primary mandate of Move-Over laws on multi-lane roads.
Drivers must move over at least one lane away from a stationary emergency vehicle displaying flashing lights if it is safe to do so.
Moving over provides a safety buffer zone for emergency workers on the roadside.
2
Determine the required action when a lane change is unsafe or impossible due to traffic.
The law mandates that drivers must slow down to a safe speed well below the posted limit.
Maintaining normal cruising speed in the lane right next to emergency workers creates severe safety hazards.

Key Concept

Secondary requirement of Move-Over laws when lane changes are unsafe
Question 1760Question →

Under zero-tolerance driving laws, a motorist under 21 years of age can be cited for an impaired driving violation with a Blood Alcohol Concentration (BAC) as low as 0.01%0.01\% to 0.02%0.02\%, even if their physical driving performance appears unimpaired.

Show answer & explanation

Answer: True

Answer

True
The statement is correct because zero-tolerance laws establish an immediate per se legal violation for drivers under 21 at trace BAC levels (0.01%0.01\% to 0.02%0.02\%), removing the requirement to prove physical driving impairment.

Step-by-Step Solution

1
Identify the driver classification and statutory framework in the statement.
The statement focuses on drivers under 21 years of age subject to zero-tolerance driving laws.
Traffic laws categorize statutory BAC limits based on driver age and vehicle classification.
2
Compare the zero-tolerance BAC threshold to the standard adult BAC limit.
Zero-tolerance laws enforce a strict BAC threshold of 0.01%0.01\% to 0.02%0.02\% for drivers under 21, compared to 0.08%0.08\% for adult non-commercial drivers.
The law makes driving with any measurable amount of alcohol illegal per se for underage operators.

Key Concept

Underage Zero-Tolerance BAC Thresholds
Estimated Time:45s
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