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BRTA Professional Driving Test study materials
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BRTA Professional Driving Test practice questions

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Question 1Traffic Laws, Signs, Signals, and Road Markings

What does a steady red circular traffic signal require a driver to do?

  1. Stop completely before the crosswalk or stop line Correct answer.
  2. Reduce speed and sound the horn before entering
  3. Yield only to pedestrians already in the roadway
  4. Slow down and proceed if the intersection looks clear

Explanation

A steady red circular signal means traffic must come to a full stop behind the stop line, crosswalk, or intersection edge. The vehicle may proceed only when the signal changes or when a permitted turn is made after stopping.

Question 2Traffic Laws, Signs, Signals, and Road Markings

A flashing red traffic light at an intersection should be treated in the same way as which of the following?

  1. A stop sign Correct answer.
  2. A green arrow
  3. A warning sign
  4. A yield sign

Explanation

A flashing red signal requires drivers to stop completely, then proceed only when it is safe, exactly like a stop sign. Right-of-way rules at the intersection still apply after the stop.

Question 3Traffic Laws, Signs, Signals, and Road Markings

A flashing yellow traffic signal tells a driver to do what?

  1. Treat the signal as a stop sign
  2. Slow down and proceed with caution Correct answer.
  3. Proceed at normal speed without checking
  4. Stop and wait for a green light

Explanation

A flashing yellow signal warns drivers to reduce speed and cross the intersection carefully while watching for conflicting traffic. It does not require a stop unless other conditions make stopping necessary.

Question 4Traffic Laws, Signs, Signals, and Road Markings

What is the meaning of a solid yellow traffic light?

  1. Traffic may proceed faster to clear the intersection
  2. The intersection is closed ahead
  3. Pedestrians may begin crossing immediately
  4. The light is about to turn red, so stop if it is safe to do so Correct answer.

Explanation

A steady yellow signal warns that the red phase is beginning. Drivers should stop if they can do so safely rather than accelerating to beat the light.

Question 5Traffic Laws, Signs, Signals, and Road Markings

A green arrow pointing left displayed with a steady red circular light means the driver may do what?

  1. Turn left because that movement is protected Correct answer.
  2. Turn right after coming to a full stop
  3. Proceed straight through the intersection
  4. Turn left only after yielding to oncoming traffic

Explanation

A green arrow authorizes the indicated movement and, when shown with a red circle, gives protected right-of-way to that movement. Oncoming traffic is stopped, so no yield to opposing vehicles is needed.

Question 6Traffic Laws, Signs, Signals, and Road Markings

A driver approaches a steady red light and intends to turn right at an intersection where no sign prohibits it. What is the correct action?

  1. Turn right without stopping if no traffic is near
  2. Stop fully, then turn when the way is clear and yield as required Correct answer.
  3. Wait for a green arrow before turning in any case
  4. Sound the horn and proceed through the red light

Explanation

Where right turns on red are not prohibited, the driver must first come to a complete stop and then yield to pedestrians and cross traffic before turning. The turn is permitted but conditional.

Question 7Traffic Laws, Signs, Signals, and Road Markings

What does an octagonal red sign with white lettering indicate?

  1. Yield to traffic on the right
  2. Stop completely before proceeding Correct answer.
  3. No entry for all vehicles
  4. School zone ahead

Explanation

The octagon shape is reserved exclusively for STOP signs in the standard sign system. Drivers must come to a complete stop and yield before continuing.

Question 8Traffic Laws, Signs, Signals, and Road Markings

A downward-pointing triangular sign with a red border requires a driver to do what?

  1. Reduce speed only in wet weather
  2. Yield the right-of-way to cross traffic Correct answer.
  3. Merge without changing speed
  4. Come to a complete stop

Explanation

The inverted triangle is the YIELD sign, which requires drivers to slow down and give way to traffic on the intersecting road. A full stop is needed only when traffic conditions require it.

Question 9Traffic Laws, Signs, Signals, and Road Markings

A white rectangular sign with black symbols or words is generally used to convey what?

  1. Scenic and recreational information
  2. Warning of hazards ahead
  3. Regulatory requirements and rules Correct answer.
  4. Temporary construction detours only

Explanation

White rectangular signs with black legends are regulatory signs that state laws and rules, such as speed limits and lane-use requirements. Warning signs instead use yellow backgrounds with black symbols.

Question 10Traffic Laws, Signs, Signals, and Road Markings

A yellow diamond-shaped sign on a rural road most likely communicates which type of information?

  1. A warning about a road condition or hazard ahead Correct answer.
  2. A legal requirement that must be obeyed under penalty
  3. A service such as fuel or lodging
  4. A route designation for a numbered highway

Explanation

Yellow diamond signs are warning signs that alert drivers to hazards or changes in road conditions ahead. They call for increased attention and often a speed adjustment.

Question 11Traffic Laws, Signs, Signals, and Road Markings

What do orange signs on or near a roadway typically indicate?

  1. A construction or maintenance work zone Correct answer.
  2. A hospital emergency entrance
  3. A school crossing zone
  4. A wildlife protection area

Explanation

Orange is the standard color for construction and maintenance signs, warning drivers of workers, lane changes, or temporary conditions. Drivers should slow down and stay alert in these zones.

Question 12Traffic Laws, Signs, Signals, and Road Markings

A yellow diamond sign showing a pedestrian symbol warns the driver to do what?

  1. Proceed only when a flagger signals
  2. Sound the horn continuously through the area
  3. Stop immediately and wait for a guide
  4. Expect pedestrians and be prepared to yield Correct answer.

Explanation

A pedestrian warning sign alerts drivers that people may be crossing or walking near the roadway. The proper response is to reduce speed and watch for pedestrians who may enter the road.

Question 13Traffic Laws, Signs, Signals, and Road Markings

A circular sign with a red border and a black numeral inside is used to indicate what?

  1. The maximum speed permitted Correct answer.
  2. The distance to the next town
  3. The recommended curve speed
  4. The minimum speed permitted

Explanation

A white circle with a red border and black numerals is a regulatory speed limit sign showing the maximum lawful speed. Exceeding it is a violation even if conditions seem safe.

Question 14Traffic Laws, Signs, Signals, and Road Markings

What does a solid white line painted on the pavement between two lanes traveling in the same direction indicate?

  1. Passing is permitted at any time
  2. The lane is reserved for buses only
  3. The roadway edge is unmarked
  4. Lane changes are discouraged or prohibited in that area Correct answer.

Explanation

A solid white line between same-direction lanes marks a boundary where lane changing is discouraged or, where doubled, prohibited. Drivers should remain in their lane until a broken line appears.

Question 15Traffic Laws, Signs, Signals, and Road Markings

A broken yellow center line on a two-lane road indicates what?

  1. The road becomes one-way ahead
  2. Passing is permitted when it is safe to do so Correct answer.
  3. The lane is reserved for turning traffic
  4. No passing is allowed in either direction

Explanation

A single broken yellow center line separates opposing traffic and permits passing when visibility and traffic conditions make it safe. The driver must still ensure the maneuver can be completed legally.

Question 16Traffic Laws, Signs, Signals, and Road Markings

A double solid yellow center line means a driver may do what?

  1. Drive on the left side during light traffic
  2. Pass another vehicle when the road ahead is clear
  3. Cross the line to enter a driveway or make a turn Correct answer.
  4. Change lanes freely in either direction

Explanation

Double solid yellow lines prohibit passing, but crossing them is generally allowed to turn into or out of a driveway or side road. The restriction targets overtaking, not all crossing.

Question 17Traffic Laws, Signs, Signals, and Road Markings

White dashed lane lines on a multi-lane highway indicate what?

  1. Lanes travel in opposite directions
  2. Parking is permitted along the lane
  3. The lane ends immediately
  4. Lanes travel in the same direction and may be crossed Correct answer.

Explanation

White lines separate lanes of traffic moving in the same direction, and a dashed line indicates that crossing to change lanes is permitted. Yellow lines are used to separate opposing traffic.

Question 18Traffic Laws, Signs, Signals, and Road Markings

What does a white diamond symbol painted in a traffic lane signify?

  1. A high-occupancy vehicle or special-use lane Correct answer.
  2. A lane that ends at the next intersection
  3. A pedestrian crossing area
  4. A lane reserved for emergency vehicles

Explanation

The white diamond marks a lane reserved for special use, most commonly high-occupancy vehicles such as carpools or buses. Signs nearby state the exact eligibility rules and hours.

Question 19Traffic Laws, Signs, Signals, and Road Markings

Pavement markings showing a solid white line along the right edge of a roadway help a driver do what?

  1. Determine the speed limit
  2. Identify the boundary of the travel lane Correct answer.
  3. Locate passing zones
  4. Detect one-way traffic

Explanation

Edge lines mark the outer boundary of the travel lane and help drivers, especially in low visibility, keep their vehicle within the roadway. They do not by themselves set speed or passing rules.

Question 20Traffic Laws, Signs, Signals, and Road Markings

A driver sees a sign with a red circle and a diagonal slash over a left-turn arrow. What does this sign mean?

  1. Left turns are prohibited Correct answer.
  2. Left turns are permitted after stopping
  3. Left turns must be made from the right lane
  4. The left lane is closed to through traffic

Explanation

A red circle with a diagonal slash is the universal prohibition symbol, so this sign forbids left turns. Drivers must select another route or movement.

Question 21Traffic Laws, Signs, Signals, and Road Markings

At an intersection with a flashing yellow signal in all directions, what right-of-way approach should a driver take?

  1. Proceed cautiously and yield as ordinary rules require Correct answer.
  2. Treat the intersection as uncontrolled and accelerate
  3. Assume the other drivers will stop
  4. Stop and wait for a police officer

Explanation

Flashing yellow in all directions means the signal is not assigning right-of-way, so drivers must apply normal yield rules and proceed with caution. No driver should assume others will stop.

Question 22Traffic Laws, Signs, Signals, and Road Markings

A driver is in a lane marked with a white left-turn arrow, but the driver intends to go straight. What should the driver do?

  1. Turn left as the lane requires and reroute Correct answer.
  2. Change lanes inside the intersection
  3. Proceed straight from the turn lane
  4. Wait in the lane until the arrow changes

Explanation

A lane marked with a turn arrow is dedicated to that movement, so the driver must follow the arrow and find another route. Changing lanes within the intersection is unsafe and typically unlawful.

Question 23Traffic Laws, Signs, Signals, and Road Markings

What is the purpose of a buffer zone marked with diagonal white stripes between a travel lane and a gore area?

  1. To provide a lane for passing slower vehicles
  2. To indicate a reduced speed limit
  3. To separate traffic streams and keep vehicles out of the area Correct answer.
  4. To mark a legal parking area

Explanation

Diagonal striped areas, often called chevron or gore markings, separate diverging traffic streams and warn drivers not to drive over them. They are not travel or parking lanes.

Question 24Traffic Laws, Signs, Signals, and Road Markings

A driver approaches a railroad crossing with a crossbuck sign and flashing red lights that are active. What must the driver do?

  1. Drive around the lowered gate if it is safe
  2. Stop and remain stopped until the lights stop flashing Correct answer.
  3. Slow down and cross if no train is visible
  4. Sound the horn and proceed across the tracks

Explanation

Active flashing red lights at a railroad crossing require a complete stop, and the driver must remain stopped until the signals stop and the tracks are clear. Visibility of a train is not the test; the signal controls the movement.

Question 25Traffic Laws, Signs, Signals, and Road Markings

A crossbuck sign at a railroad crossing without active lights or gates indicates what?

  1. The crossing is abandoned
  2. The crossing is for pedestrians only
  3. Trains must stop before the crossing
  4. Drivers must yield to trains and cross only when clear Correct answer.

Explanation

A crossbuck marks a railroad crossing and requires drivers to yield to approaching trains, stopping when necessary and proceeding only when the tracks are clear. It functions as a yield warning at passive crossings.

Question 26Traffic Laws, Signs, Signals, and Road Markings

A traffic signal shows a steady green arrow pointing left while the circular signal for through traffic remains red. What does this combination permit a driver in the left-turn lane to do?

  1. Proceed with the left turn, and through traffic in that lane may also proceed
  2. Proceed with the left turn after yielding to oncoming traffic and pedestrians Correct answer.
  3. Turn left only after coming to a complete stop and sounding the horn
  4. Wait for the circular signal to turn green before turning left

Explanation

A green arrow grants a protected movement only for the direction shown, but the driver must still yield to pedestrians and to any traffic already lawfully within the intersection. The circular red still controls through movements, so proceeding straight is not allowed.

Question 27Traffic Laws, Signs, Signals, and Road Markings

A steady red arrow pointing left is displayed for a left-turn lane. What must a driver in that lane do?

  1. Treat the arrow as a yield sign for the turn
  2. Slow to a rolling stop and turn when the way is clear
  3. Continue through the intersection if no vehicles are visible
  4. Stop and remain stopped until the arrow changes, since no turn on red is permitted for that movement Correct answer.

Explanation

A red arrow prohibits the indicated movement and, unlike a circular red, does not allow a turn on red after stopping. The driver must wait until the arrow changes to green or the signal otherwise permits the movement.

Question 28Traffic Laws, Signs, Signals, and Road Markings

At an intersection, the signal changes from green to a steady circular yellow as a driver is too far back to stop safely. What is the correct action?

  1. Reverse to the stop line before the red appears
  2. Continue through the intersection with caution and clear it promptly Correct answer.
  3. Stop abruptly in the intersection and wait for the next green
  4. Accelerate hard to beat the red and stop beyond the crosswalk

Explanation

A steady yellow warns that the signal is about to turn red and that a driver should stop if it can be done safely. When stopping cannot be accomplished safely, the driver should proceed through and clear the intersection rather than stopping within it.

Question 29Traffic Laws, Signs, Signals, and Road Markings

A flashing red signal is displayed at an intersection in all directions. How should a driver proceed?

  1. Come to a complete stop, then proceed when the way is clear, following right-of-way rules Correct answer.
  2. Wait for the signal to change to steady green before moving
  3. Slow down and continue without stopping if no traffic is present
  4. Yield only to vehicles approaching from the right and keep rolling

Explanation

A flashing red is treated like a stop sign: the driver must stop completely and then may proceed only when safe, applying normal right-of-way rules. It does not become green, so waiting for a change is incorrect.

Question 30Traffic Laws, Signs, Signals, and Road Markings

A driver encounters a lane-control signal suspended over a lane showing a red X. What does this indicate?

  1. The lane may be used only for passing slower vehicles
  2. The lane is reserved for buses only at all times
  3. The lane is closed ahead and the driver should move to another lane Correct answer.
  4. The lane ahead has a reduced speed limit of 25 mph

Explanation

A red X over a lane means that lane is closed to traffic, often because of a crash, work zone, or incident ahead. Drivers should merge into a lane displaying a green arrow or no prohibition.

Question 31Traffic Laws, Signs, Signals, and Road Markings

At a four-way stop, two vehicles arrive at the same moment from opposite directions, and one is signaling for a left turn while the other is going straight. Who has the right of way?

  1. The vehicle going straight Correct answer.
  2. The vehicle whose driver honks first
  3. The vehicle turning left
  4. The vehicle that is larger

Explanation

When vehicles arrive at a four-way stop simultaneously and are opposite each other, the vehicle proceeding straight has the right of way over the one turning left across its path. The left-turning driver must yield.

Question 32Traffic Laws, Signs, Signals, and Road Markings

A driver is entering a roundabout. Which rule governs right of way?

  1. Yield only to vehicles approaching from the left outside the roundabout
  2. Enter immediately, because circulating traffic must yield to entering vehicles
  3. Yield to traffic already circulating in the roundabout Correct answer.
  4. Stop inside the roundabout and wait for a gap

Explanation

At most roundabouts, entering vehicles must yield to traffic already within the circulatory roadway. Once inside, drivers proceed without stopping until their exit.

Question 33Traffic Laws, Signs, Signals, and Road Markings

An emergency vehicle approaches from behind with sirens and flashing lights while a driver is in the middle of an intersection. What should the driver do?

  1. Move to the left lane and continue at the same speed
  2. Speed up to stay ahead of the emergency vehicle
  3. Clear the intersection first, then pull to the right and stop Correct answer.
  4. Stop immediately where the vehicle is, inside the intersection

Explanation

Drivers must yield to emergency vehicles by pulling to the right and stopping, but never in a way that blocks an intersection. If already within the intersection, the driver should finish crossing and then yield.

Question 34Traffic Laws, Signs, Signals, and Road Markings

A school bus with flashing red lights is stopped on the opposite side of a two-lane road divided only by a painted center line. What must the oncoming driver do?

  1. Stop only if children are visible outside the bus
  2. Continue, because the bus is traveling the other direction
  3. Slow down and pass carefully without stopping
  4. Stop until the red lights stop flashing, because the roadway is not divided by a physical barrier Correct answer.

Explanation

On undivided roadways, traffic in both directions must stop for a school bus showing flashing red lights. A painted line does not create the physical separation that would exempt oncoming traffic.

Question 35Traffic Laws, Signs, Signals, and Road Markings

A driver approaches a steady green light at an intersection but the way beyond the intersection is blocked by queued traffic. What is the proper action?

  1. Sound the horn and proceed through the queue
  2. Enter the intersection and stop in it until traffic moves
  3. Wait before entering the intersection until there is room to clear it Correct answer.
  4. Enter and use the crosswalk area to wait

Explanation

A green light authorizes movement only if the driver can clear the intersection. Entering when the far side is blocked causes gridlock and blocks cross traffic and pedestrians.

Question 36Traffic Laws, Signs, Signals, and Road Markings

What does a yellow X lane-control signal over a freeway lane mean?

  1. The lane will soon close and drivers should prepare to merge Correct answer.
  2. The lane is open only to high-occupancy vehicles
  3. The lane is closed right now and must not be entered
  4. The lane has a mandatory minimum speed

Explanation

A yellow X warns that the lane is about to close, giving drivers time to move out of it. A red X, by contrast, means the lane is already closed.

Question 37Traffic Laws, Signs, Signals, and Road Markings

A driver is traveling on a road with a posted speed limit of 45 mph and enters a work zone marked by orange signs but no reduced speed posting. What speed should the driver choose?

  1. A speed appropriate to the work zone conditions, which may be below the posted limit Correct answer.
  2. The speed of the vehicle directly ahead, regardless of conditions
  3. Exactly 45 mph, since no other limit is posted
  4. Ten mph above the posted limit to clear the zone quickly

Explanation

The basic speed rule requires drivers to travel at a speed reasonable for existing conditions, and work zones often require slowing below the posted limit. Orange signs alert drivers to changed conditions and hazards.

Question 38Traffic Laws, Signs, Signals, and Road Markings

A driver on a two-way road wants to pass a slower vehicle. Which combination of markings makes passing lawful?

  1. A solid yellow line on the driver's side of the center line
  2. A broken yellow line on the driver's side of the center line, with clear oncoming lanes Correct answer.
  3. A double solid yellow center line
  4. A solid white line separating the two directions of travel

Explanation

A broken yellow line on the driver's side indicates that passing with care is permitted when oncoming traffic is clear. Solid yellow lines on the driver's side prohibit crossing to pass.

Question 39Traffic Laws, Signs, Signals, and Road Markings

Why are diagonal white stripes painted in an area between a through lane and an exit ramp?

  1. To mark a lane where passing on the right is permitted
  2. To provide an emergency stopping lane for any vehicle
  3. To indicate a pedestrian crossing point
  4. To separate diverging traffic and warn drivers not to drive across the striped area Correct answer.

Explanation

Diagonal stripes mark a gore or buffer area that separates traffic streams and should not be driven on. They guide diverging vehicles and protect the point where paths split.

Question 40Traffic Laws, Signs, Signals, and Road Markings

A driver reaches an intersection where a police officer is directing traffic with hand signals that conflict with the green light. Whom should the driver obey?

  1. The police officer's directions Correct answer.
  2. The green traffic light
  3. The vehicle ahead, whichever direction it takes
  4. The pavement markings for the lane

Explanation

Directions given by a police officer or authorized traffic controller override signals, signs, and markings. Drivers must follow the officer even when the signal indicates otherwise.

Question 41Safe Driving Practices and Defensive Driving

What is the recommended minimum following distance under normal, dry conditions when driving at highway speeds?

  1. The two-second rule Correct answer.
  2. A fixed gap of one second
  3. Half a car length at any speed
  4. One car length for every 10 km/h of speed

Explanation

The two-second rule gives a time-based gap that automatically grows with speed, keeping a safe buffer for reaction and braking. Time-based gaps are more reliable than car-length estimates because they scale with velocity. In poor conditions the gap should be increased further.

Question 42Safe Driving Practices and Defensive Driving

You are driving in heavy rain and the road surface is wet. How should you adjust your following distance?

  1. Increase the gap to at least four seconds Correct answer.
  2. Keep the normal two-second gap
  3. Follow the vehicle ahead closely to use its tyre tracks
  4. Reduce the gap so others cannot cut in

Explanation

Wet roads reduce tyre grip and lengthen stopping distances, so the following gap should be roughly doubled. A four-second or greater gap gives extra time to react on a slippery surface. Closing up increases the risk of a rear-end collision.

Question 43Safe Driving Practices and Defensive Driving

When are you permitted to use a handheld mobile phone while driving?

  1. Only to make brief calls under one minute
  2. Only when using the speakerphone function
  3. Only when stopped at a red traffic light
  4. You are not permitted to use it while driving Correct answer.

Explanation

Using a handheld phone while driving is prohibited because it distracts the driver and reduces control of the vehicle. Stopping at a light does not make handheld use lawful in most jurisdictions. A hands-free setup or pulling over safely is required instead.

Question 44Safe Driving Practices and Defensive Driving

What does a solid white line along the edge of the carriageway typically indicate?

  1. A parking zone for emergency vehicles
  2. A pedestrian crossing area
  3. The edge of the roadway or shoulder boundary Correct answer.
  4. A lane where overtaking is encouraged

Explanation

A solid edge line marks the boundary of the travel lane and separates it from the shoulder or verge. Drivers should generally keep to the roadway side of it except in an emergency. It is not an invitation to overtake or park.

Question 45Safe Driving Practices and Defensive Driving

At night, when should you switch from high beam to low beam?

  1. Never, because high beam improves all-round visibility
  2. When an oncoming vehicle is approaching or you are following another vehicle closely Correct answer.
  3. Only when it starts to rain
  4. Only when you enter a built-up area

Explanation

High beam can dazzle oncoming drivers and glare into the mirrors of vehicles ahead, so you must dip to low beam in those situations. Dipping restores the other driver's ability to see and reduces collision risk. You should also dip when otherwise at risk of dazzling others.

Question 46Safe Driving Practices and Defensive Driving

What is the primary purpose of a safety (head) restraint in a vehicle?

  1. To support the neck during cornering
  2. To limit forward movement of the head in a rear impact Correct answer.
  3. To hold the seatbelt in position
  4. To keep occupants comfortable during long trips

Explanation

The head restraint limits how far the head moves backward relative to the torso in a rear-end collision, reducing whiplash injury. It must be adjusted so the top is at least level with the top of the head. Comfort and cornering support are secondary effects, not the safety purpose.

Question 47Safe Driving Practices and Defensive Driving

You approach a junction where the traffic lights are not working. What is the safest action?

  1. Wait until a police officer arrives before moving
  2. Proceed at normal speed since you have right of way
  3. Treat it as an uncontrolled junction and proceed only when safe Correct answer.
  4. Sound your horn and continue without slowing

Explanation

When signals fail, the junction becomes uncontrolled and drivers must rely on give-way rules, observation and caution. You should slow down, be ready to stop and only proceed when it is clearly safe. Assuming right of way or rushing through is dangerous.

Question 48Safe Driving Practices and Defensive Driving

What should you do if you feel drowsy while driving on a long journey?

  1. Open a window and continue to the destination
  2. Turn up the radio and keep driving
  3. Stop in a safe place and rest before continuing Correct answer.
  4. Drink coffee and increase your speed to arrive sooner

Explanation

Fatigue seriously impairs attention and reaction time, and the only reliable remedy is rest. You should pull over in a safe place and take a proper break. Fresh air, music or caffeine are temporary measures that do not restore alertness.

Question 49Safe Driving Practices and Defensive Driving

You are driving and a ball rolls into the road from between parked cars. What is the best defensive response?

  1. Maintain speed and steer around the ball
  2. Accelerate to pass the area quickly
  3. Brake firmly and sound a long horn blast
  4. Slow down and be prepared to stop for a child Correct answer.

Explanation

A ball in the road is a strong clue that a child may follow it into your path. Defensive driving means anticipating the hazard, reducing speed and being ready to stop. Accelerating or ignoring the cue reduces your ability to react.

Question 50Safe Driving Practices and Defensive Driving

When merging onto a high-speed road from an entry slip road, you should:

  1. Drive on the hard shoulder until a gap appears
  2. Enter slowly and force other drivers to adjust
  3. Stop at the end of the slip road and wait for a gap
  4. Match your speed to the traffic and merge into a suitable gap Correct answer.

Explanation

Merging safely requires building speed on the slip road to match the flow of traffic, then joining a suitable gap. Entering far slower than surrounding traffic creates a dangerous speed differential. Stopping at the end of a slip road is generally hazardous.