Traffic Signs, Signals, and Road Markings

482 questions

Question 101Question

A driver approaching a median island posted with a white rectangular regulatory sign depicting a black curved arrow pointing to the right of an obstacle may legally drive to the left of the island if preparing for an immediate left turn at an upcoming intersection.

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Answer: False

Answer

The statement is False. A rectangular white 'Keep Right' sign is a mandatory regulatory device requiring all drivers to keep to the right side of the barrier or island.
Regulatory signs establish strict legal traffic rules. The 'Keep Right' sign requires traffic to pass only on the right side of the barrier, prohibiting drivers from using the left side as a shortcut or turn preparation lane.

Step-by-Step Solution

1
Identify the sign classification and shape.
A rectangular white sign with black lettering or symbols is classified as a regulatory sign.
Regulatory signs inform road users of traffic laws and regulations that require mandatory compliance.
2
Determine the required legal action for a 'Keep Right' symbol sign.
Vehicles must stay to the right of the roadway feature or obstruction.
Passing to the left of a designated Keep Right island enters opposing traffic flow areas and violates regulatory sign laws.

Key Concept

Mandatory compliance with Keep Right regulatory signs at roadway obstructions and dividers
Question 102Question

You are approaching an intersection controlled by a traffic signal displaying a single flashing yellow circular light. What action are you legally required to take?

Show answer & explanation

Answer: Slow down, scan the intersection for potential hazards, and proceed through with caution.

Answer

Slow down, scan the intersection for potential hazards, and proceed through with caution.
A flashing yellow light serves as a warning signal. Drivers facing a flashing yellow light must lower their speed, remain alert for crossing vehicles and pedestrians, and proceed through the intersection with caution. A full stop is not required unless cross traffic or pedestrians obstruct the path.

Step-by-Step Solution

1
Identify the traffic signal state
The light is displaying a flashing yellow circular signal.
Traffic light signal rules assign specific legal duties based on color and illumination mode (solid vs. flashing).
2
Apply the rule for flashing yellow lights
Reduce speed and proceed cautiously without stopping unless a hazard present requires it.
A flashing yellow light indicates caution is necessary, but unlike a flashing red light, a full stop is not mandated when the path is clear.

Key Concept

Flashing Yellow Signal Rules
Estimated Time:45s
Question 103Question

When facing a solid green traffic light at an intersection, a driver turning left must yield the right-of-way to oncoming traffic traveling straight through the intersection.

Show answer & explanation

Answer: True

Answer

True. Drivers turning left on a solid circular green traffic light are executing an unprotected turn and must yield to oncoming traffic traveling straight.
A solid circular green light allows left turns only when it is safe to proceed. Because oncoming vehicles proceeding straight have the right-of-way, left-turning drivers must yield until traffic is clear.

Step-by-Step Solution

1
Identify the type of traffic signal and the driver's planned maneuver.
The signal is a solid circular green light and the vehicle is making a left turn.
Traffic laws categorize turns at solid circular lights differently than turns at arrow signals.
2
Apply standard intersection right-of-way rules for solid circular green signals.
Oncoming traffic proceeding straight has the right-of-way over left-turning vehicles.
A solid green signal provides an unprotected turn, requiring left-turning drivers to yield to oncoming vehicles and pedestrians before completing the movement.

Key Concept

Unprotected Left Turns at Traffic Signals
Question 104Question

A motorist is driving on a two-lane highway posted with a white rectangular regulatory sign indicating a speed limit of 55 mph. Sudden torrential rain creates heavy standing water and severely reduces visibility. How must the driver legally comply with the posted regulatory speed limit under these adverse conditions?

Show answer & explanation

Answer: Reduce driving speed below 55 mph to a rate that is reasonable and prudent for the hazardous weather and road conditions.

Answer

The driver must reduce driving speed below 55 mph to a rate that is reasonable and prudent for the hazardous weather and road conditions.
The choice emphasizing speed reduction below 55 mph is correct because regulatory speed limit signs establish maximum legal speeds under clear, ideal driving conditions. When weather hazards such as heavy rain or standing water lower traction and visibility, drivers are legally bound by the basic speed law to slow down to a safe and prudent speed.

Step-by-Step Solution

1
Identify the purpose of white rectangular regulatory speed limit signs.
Recognize that the posted 55 mph sign specifies the maximum legal speed permitted under ideal driving conditions.
Regulatory signs set maximum legal parameters for normal, clear traffic conditions.
2
Apply the basic speed law to adverse weather conditions.
Determine that heavy rain, standing water, and reduced visibility require driving at a reduced, safe speed below the posted maximum.
Drivers are legally required to adjust their speed to match actual road and environmental hazards regardless of the posted maximum.

Key Concept

Basic Speed Law and Regulatory Speed Limits
Estimated Time:1m 0s
Question 105Question

While driving toward an intersection, you observe that the overhead traffic light signal is displaying a solid green light. However, a police officer directing traffic in the middle of the intersection gives you a manual hand signal to stop. What is the legally required action?

Show answer & explanation

Answer: Stop completely as directed by the police officer, regardless of the green traffic light.

Answer

Stop completely as directed by the police officer, regardless of the green traffic light.
Directions given by a law enforcement or traffic officer always supersede active traffic signals, signs, and pavement markings. When an officer commands you to stop, you must obey the officer's instruction despite the green light.

Step-by-Step Solution

1
Identify the conflict between the electronic traffic light signal and the police officer's hand directions.
The traffic light shows solid green, but the police officer instructs traffic to stop.
Recognizing competing traffic control instructions is necessary to apply priority rules.
2
Apply the right-of-way hierarchy rule regarding traffic officers versus automated signals.
Manual directions from a uniformed traffic officer always take precedence over automated lights or signs.
Traffic officers manage real-time safety, emergency situations, or traffic flow disruptions.
3
Determine the required driver action.
Bring the vehicle to a complete stop as commanded by the officer.
Failing to follow an officer's signal is a illegal move regardless of signal color.

Key Concept

Traffic Officer Priority over Automated Signals
Estimated Time:45s
Question 106Question

Match each standard yellow warning sign description on the left with its correct hazard meaning and required driver awareness on the right.

Click a left item, then click its matching right item

Items

Yellow diamond sign displaying a black silhouette of a truck descending a steep slope.
Yellow diamond sign featuring two opposing vertical arrows separated by a solid median divider symbol at the top.
Yellow diamond sign containing three black curved arrows arranged in a circular loop.
Yellow diamond sign showing a vertical straight line on the left and a vertical line angling inward on the right.

Matches

Show answer & explanation

Answer

The correct matches pair each warning sign symbol with its intended safety action: the truck on a slope signifies a steep downgrade requiring brake control; the opposing arrows with a top median symbol signify a divided highway beginning; the circular arrows signify a roundabout requiring yielding to circulating traffic; and the inward-angling line signifies a right lane ending requiring merging.
Yellow diamond traffic signs serve as advance warnings for physical roadway hazards. The truck symbol warns of steep downhill grades requiring speed control. The top-median arrows sign indicates a divided highway starting ahead. The circular arrows warn of a roundabout where yielding is required. The inward-converging line warns of a terminating lane where merging is necessary.

Step-by-Step Solution

1
Identify the primary symbol and shape of each sign.
All four signs are diamond-shaped yellow warning signs designed to alert drivers to upcoming roadway hazards or layout changes.
Recognizing standard MUTCD shapes and symbols is necessary to interpret traffic warnings quickly.
2
Associate each graphic with its specific hazard definition.
The truck icon indicates grade/steep hill; the median divider at the top indicates divided highway start; the circular arrows indicate roundabout; the inward line indicates lane reduction.
Each symbol uniquely conveys physical road conditions that demand specific driver responses.
3
Link each hazard definition with the required defensive driving action.
Downshift/control speed on steep grades; stay to the right of the median on divided highways; yield to circulating traffic in roundabouts; and merge safely when a lane ends.
Warning signs require drivers to adjust speed or lane position prior to reaching the hazard area.

Key Concept

Standard Traffic Warning Signs Recognition and Hazard Responses
Question 107Question

A row of solid white triangles painted across a travel lane, commonly referred to as yield lines, indicates the exact location where approaching drivers must yield the right-of-way.

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Answer: True

Answer

True. Transverse solid white triangles painted across a lane signify a yield line where drivers must yield right-of-way.
The statement is true because solid white triangles painted across a travel lane denote a yield line, indicating where drivers must yield right-of-way to conflicting traffic.

Step-by-Step Solution

1
Identify the visual pattern of the pavement marking.
A row of solid white triangles extending across a lane pointing toward approaching traffic.
Recognizing standardized pavement symbols is essential for understanding right-of-way expectations.
2
Determine the legal rule associated with this marking.
These markings represent a yield line, indicating where a vehicle must slow down or stop to yield to cross traffic or pedestrians.
Traffic regulations define white yield triangles as legal boundaries for yielding right-of-way.

Key Concept

Yield line pavement markings (shark's teeth)
Question 108Question

Drivers are legally permitted to cross solid double white pavement markings to enter or exit a High-Occupancy Vehicle (HOV) lane whenever surrounding traffic is clear.

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Answer: False

Answer

The statement is False. Drivers are prohibited from crossing solid double white lines to enter or exit an HOV lane regardless of traffic conditions.
Solid double white lines in preferential zone roadways serve as a legal barrier prohibiting lane changes. Access to HOV lanes is strictly restricted to designated broken line segments.

Step-by-Step Solution

1
Analyze the meaning of solid double white pavement lines used in special traffic zones.
Solid double white lines separate lanes moving in the same direction and strictly forbid crossing or lane changing.
Roadway design uses solid double white lines to prevent hazardous merging into designated preferential lanes.
2
Determine legal entry and exit rules for preferential HOV lanes.
Vehicles may only cross into or out of an HOV lane where designated broken white lines or specific access points are marked.
Crossing solid double lines constitutes a moving traffic violation regardless of vehicle occupancy or traffic density.

Key Concept

HOV Preferential Lane Boundary Markings
Question 109Question

At an intersection posted with a 'NO TURN ON RED' regulatory sign, a driver is legally permitted to make a right turn during a red light provided they come to a complete stop first and yield to all cross traffic and pedestrians.

Show answer & explanation

Answer: False

Answer

False
The statement is false. A posted 'NO TURN ON RED' regulatory sign explicitly revokes the general permission to turn right after stopping at a red signal. Drivers must remain stopped until the light turns green.

Step-by-Step Solution

1
Identify the legal standard established by a 'NO TURN ON RED' regulatory sign.
Recognize that 'NO TURN ON RED' signs inform drivers of a specific legal prohibition restricting movement during the red signal phase.
Regulatory signs dictate mandatory traffic rules and supersede general baseline permissions.
2
Evaluate the condition in the prompt against standard traffic law.
Understand that while state laws generally allow right turns on red after a full stop and yield, a posted regulatory sign revokes this privilege completely for that signal phase.
Drivers must obey specific regulatory signs posted at an intersection over general turn-on-red rules.

Key Concept

Regulatory Signs - No Turn on Red Prohibition
Estimated Time:45s
Question 110Question

While driving on a residential street, you observe a pentagon-shaped, yellow-green traffic sign displaying the silhouettes of two people walking. What does this sign indicate to the driver?

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Answer: You are approaching a school zone or school crosswalk and must watch for pedestrians and prepare to yield.

Answer

The sign indicates that you are approaching a school zone or school crosswalk, requiring you to watch carefully for pedestrians and be prepared to yield.
The five-sided pentagon sign is exclusively used to mark school zones and school crosswalks. Seeing this sign alerts drivers to slow down, scan for children, and prepare to yield right-of-way.

Step-by-Step Solution

1
Identify the unique shape and color of the sign.
The five-sided pentagon shape with fluorescent yellow-green background specifically designates school advance warnings and school crossings.
Standardized sign shapes provide instant visual cues about upcoming roadway conditions.
2
Determine the appropriate driver response.
Scan for children, slow down, and be ready to yield or stop if pedestrians enter the roadway.
School zones require heightened awareness due to unpredictable pedestrian behavior.

Key Concept

School Zone Pentagon Sign Identification and Duty of Care
Question 111Question

A traffic lane signal displays a flashing yellow arrow for drivers intending to turn left. What action is legally required of a driver facing this signal?

Show answer & explanation

Answer: Yield to oncoming traffic and pedestrians, then execute the left turn when safe.

Answer

Yield to oncoming traffic and pedestrians, then execute the left turn when safe.
A flashing yellow arrow indicates an unprotected turn. Drivers are permitted to make the left turn, but they must first yield the right-of-way to any oncoming vehicles, bicyclists, and pedestrians crossing the intersection.

Step-by-Step Solution

1
Identify the signal type
Recognize the signal as a flashing yellow arrow.
Different signal colors and modes (solid vs flashing) dictate right-of-way rules.
2
Apply right-of-way rules for flashing yellow arrows
Determine that left turns are permitted but unprotected.
Oncoming traffic facing a steady green light has the right-of-way.
3
Select the appropriate driver response
Yield to oncoming vehicles and pedestrians, turning only when a safe gap exists.
Unprotected turns require drivers to yield before crossing traffic lanes.

Key Concept

Flashing Yellow Arrow Turn Rules
Estimated Time:45s
Question 112Question

When facing a traffic light signal displaying a solid red circular light alongside an illuminated steady green arrow pointing left, a driver turning left may legally proceed through the intersection without coming to a complete stop, provided the turn can be made safely.

Show answer & explanation

Answer: True

Answer

True. A steady green arrow displayed together with a solid circular red light indicates a protected turn phase, allowing vehicles turning in the direction of the arrow to proceed without stopping.
A steady green arrow signal designates a protected turning phase. Drivers making the indicated turn have the right-of-way and may enter the intersection without stopping, as conflicting traffic streams are stopped by red lights.

Step-by-Step Solution

1
Identify which signal indication applies to the left-turning vehicle.
The steady green left arrow specifically controls left-turning traffic, while the solid red circular light applies to straight-through traffic.
Traffic signal heads frequently separate movements to allow controlled, protected turning maneuvers.
2
Determine the right-of-way rule for a steady green arrow.
A steady green arrow grants a protected turn, meaning opposing traffic is held by a red signal.
Green arrow signals indicate that conflicting traffic movements are stopped.
3
Determine the required driver action.
The driver turning left is not required to come to a stop before executing the turn, provided the intersection is clear.
Protected green arrows authorize continuous movement when safe.

Key Concept

Protected Green Arrow Signal Indications
Question 113Question

While driving in an urban area, a motorist approaches a street entrance marked with a square regulatory sign featuring a red circle containing a horizontal white bar with the words 'DO NOT ENTER'. Which of the following best describes the driver's legal obligation upon seeing this sign?

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Answer: Do not enter the roadway because traffic is moving in the opposite direction.

Answer

The driver must not enter the roadway because traffic is traveling in the opposite direction.
The correct response identifies that a 'DO NOT ENTER' sign prohibits entry onto a street, ramp, or lane because traffic is flowing toward the driver. Entering would place the driver in direct conflict with opposing traffic.

Step-by-Step Solution

1
Identify the traffic sign category and symbol
Recognize the square red circle with a horizontal white bar as a 'DO NOT ENTER' regulatory sign.
Regulatory signs mandate drivers to obey specific legal prohibitions or commands.
2
Determine the required legal driver response
Refrain from entering the designated street or ramp and choose an alternate legal route.
'DO NOT ENTER' signs mark one-way roadways or exit ramps where entering would result in driving against traffic flow.

Key Concept

DO NOT ENTER Regulatory Sign Meaning
Estimated Time:45s
Question 114Question

A driver approaches an intersection where the overhead traffic signal is displaying a solid green light. A uniformed police officer directing traffic in the center of the intersection blows a whistle and holds up a hand with the palm facing toward the driver. What action is the driver legally required to take?

Show answer & explanation

Answer: Stop completely before entering the intersection and await the officer's signal to proceed.

Answer

Stop completely before entering the intersection and await the officer's signal to proceed.
Directions provided by a uniformed police officer or authorized traffic official always take legal precedence over automated traffic signals, posted regulatory signs, and pavement markings. When an officer holds up a hand with the palm facing approaching vehicles, drivers must bring their vehicle to a complete stop before the intersection and wait until instructed to move.

Step-by-Step Solution

1
Identify the conflict between the physical traffic officer's gesture and the overhead signal.
The traffic light is green, but the police officer is gesturing to stop with an outstretched hand and raised palm.
Recognizing competing traffic control instructions is required to determine legal priority.
2
Apply the rule of traffic control signal hierarchy.
Manual directions given by a law enforcement officer or authorized traffic controller override all mechanical signals, signs, and lane markings.
Traffic officers direct traffic during emergencies, signal outages, or special events, making their commands supreme.
3
Determine the required driving maneuver.
Bring the vehicle to a complete stop prior to entering the intersection stop line or crosswalk.
A raised palm facing approaching traffic is the universal hand signal for 'stop'.

Key Concept

Priority of Traffic Officer Signals Over Electronic Controls
Estimated Time:1m 0s
Question 115Question

While approaching a multi-lane intersection, a driver observes a white rectangular regulatory sign mounted above their lane displaying a single black arrow stem that branches into both a straight-through arrow and a right-turn arrow. Which maneuvers are legally permitted for a vehicle operating in this lane?

Show answer & explanation

Answer: The vehicle may either continue straight through the intersection or execute a right turn.

Answer

The vehicle may either continue straight through the intersection or execute a right turn.
The correct answer identifies that a white rectangular regulatory sign depicting both a straight arrow and a right-turn arrow permits drivers in that lane to either proceed straight through or complete a right turn. Regulatory lane control signs dictate mandatory lane usage, and when multiple arrow directions share a lane symbol, any indicated direction is legally permitted.

Step-by-Step Solution

1
Identify the sign classification and shape
A white rectangular sign with black symbols is a regulatory sign that conveys mandatory traffic directions and lane usage rules.
Sign shape and color codes establish legal obligations rather than warnings or guide information.
2
Interpret the symbol markings
The combined straight arrow and right-turn arrow indicate that drivers in the lane may choose between continuing straight or turning right.
Dual-arrow lane control signs designate shared-use lanes for specific movements.
3
Evaluate special authority conditions
Directions given by a law enforcement officer on scene always take priority over posted regulatory signs.
Traffic officer signals supersede standard traffic control devices under state and international motor vehicle codes.

Key Concept

Overhead Lane Control Regulatory Signs
Estimated Time:1m 0s
Question 116Question

What must a driver do when entering an intersection where the traffic signal continuously flashes a circular yellow light?

Show answer & explanation

Answer: Slow down and proceed through the intersection with caution while checking for cross traffic and hazards.

Answer

Slow down and proceed through the intersection with caution while checking for cross traffic and hazards.
A flashing yellow circular traffic light indicates that drivers should slow down and proceed with caution through the intersection. Unlike a flashing red signal, a complete stop is not mandatory unless yielding to pedestrians or oncoming traffic requires it.

Step-by-Step Solution

1
Identify the traffic signal state
The traffic light is flashing yellow continuously.
Different flashing signals convey distinct legal requirements.
2
Apply standard legal rules for a flashing yellow traffic signal
The driver is required to slow down, exercise caution, and look for potential hazards before entering.
A flashing yellow signal serves as a warning of an intersection or danger point, requiring heightened awareness rather than a mandatory stop.

Key Concept

Flashing Yellow Signal Rules
Question 117Question

Match each standard warning sign description on the left with its correct hazard meaning and required driver action on the right.

Click a left item, then click its matching right item

Items

Yellow pennant-shaped sign installed on the left side of the roadway
Yellow diamond-shaped sign displaying a bold black plus (+) symbol
Yellow diamond-shaped sign featuring a vertical arrow with a side line joining it at an angle
Yellow diamond-shaped sign depicting two parallel vertical lines that curve inward in the middle

Matches

Show answer & explanation

Answer

The yellow pennant sign matches the no-passing zone warning; the diamond sign with a black plus symbol matches the four-way crossroad warning; the diamond sign with a merging line matches the merging traffic warning; and the diamond sign with inward-curving lines matches the narrow bridge warning.
Each standard warning sign uses clear geometric shapes and graphics to communicate road conditions: the yellow pennant indicates a no-passing zone, the plus symbol warns of a four-way intersection, the merging arrow warns of joining ramp traffic, and inward-curving vertical lines indicate a narrow bridge structure.

Step-by-Step Solution

1
Analyze the physical shape and graphic symbol of each warning sign.
Identify that pennant shapes indicate no-passing zones, while specific symbols on diamond signs represent distinct roadway physical features.
Warning sign shapes and symbols follow standardized MUTCD design conventions to convey hazard types quickly.
2
Pair each sign design with its corresponding hazard and driver response requirement.
Match the pennant to no passing prohibition, plus symbol to crossroad, merging line to entering traffic, and narrowing lines to narrow bridge width.
Correct identification allows drivers to adjust speed, scanning, and position before encountering the hazard.

Key Concept

Standard Warning Sign Shapes, Symbols, and Hazard Recognition
Question 118Question

A driver approaches an intersection controlled by an inverted triangular red-and-white regulatory sign displaying the word 'YIELD'. What does this sign legally require the driver to do?

Show answer & explanation

Answer: Slow down and give the right-of-way to vehicles and pedestrians in or approaching the intersection, stopping only if traffic conditions require it.

Answer

Slow down and give the right-of-way to vehicles and pedestrians in or approaching the intersection, stopping only if traffic conditions require it.
A YIELD sign indicates that drivers must slow down and give right-of-way to any oncoming vehicles, cyclists, or pedestrians approaching the intersection. Unlike a STOP sign, a complete stop is only required if oncoming traffic creates a hazard.

Step-by-Step Solution

1
Identify the shape, color, and message of the regulatory sign.
The sign is an inverted red-and-white triangle indicating 'YIELD'.
Regulatory signs communicate mandatory traffic laws that drivers must obey.
2
Determine the required legal action for yielding right-of-way.
The driver must reduce speed and prepare to yield to cross-traffic and pedestrians, coming to a full stop only when safe passage is blocked.
A YIELD sign does not mandate a complete stop if the roadway is clear.

Key Concept

Yield Sign Rules and Right-of-Way Priority
Estimated Time:45s
Question 119Question

A driver approaches a narrow single-lane bridge posted with a white rectangular regulatory sign stating "YIELD TO ONCOMING TRAFFIC". An oncoming vehicle is rapidly approaching the opposite end of the bridge but has not yet crossed onto it. Which of the following actions is legally required of the driver?

Show answer & explanation

Answer: Slow down or stop before the narrow passage to let the oncoming vehicle cross completely before proceeding.

Answer

The driver must slow down or stop before the narrow passage to let the oncoming vehicle cross completely before proceeding.
The correct answer states that the driver must slow down or stop before the narrow passage to allow the approaching oncoming vehicle to pass safely. Rectangular white regulatory signs stating 'YIELD TO ONCOMING TRAFFIC' explicitly assign priority to traffic moving in the opposite direction at narrow bridges or underpasses.

Step-by-Step Solution

1
Identify the sign classification and mandate
The sign 'YIELD TO ONCOMING TRAFFIC' is a regulatory sign that establishes right-of-way priority for opposing traffic through a restricted roadway bottleneck.
Regulatory signs inform road users of traffic laws and mandatory rules that must be obeyed.
2
Evaluate the traffic scenario against regulatory requirements
Because an opposing vehicle is approaching the single-lane bridge, the driver bound by the yield sign must prepare to yield the right-of-way.
Yielding requires holding back—slowing down or stopping—until oncoming traffic passes safely.
3
Determine the required legal driver action
The driver must wait outside the narrow passage until the oncoming vehicle has fully cleared the single-lane section.
Entering the bottleneck while oncoming traffic approaches creates a severe head-on collision risk and violates regulatory authority.

Key Concept

Regulatory Sign Compliance and Bottleneck Right-of-Way Rules
Estimated Time:1m 30s
Question 120Question

A white rectangular regulatory sign with the text 'NO TURN ON RED' permits a motorist to turn right at a steady red signal after bringing the vehicle to a complete stop and yielding to cross traffic and pedestrians.

Show answer & explanation

Answer: False

Answer

The statement is false. A 'NO TURN ON RED' regulatory sign strictly prohibits turning during the red light phase under any circumstances.
The statement is false because the posted 'NO TURN ON RED' sign legally restricts all turning movements while the traffic signal displays a red light, even after a full stop.

Step-by-Step Solution

1
Identify the function of the posted regulatory sign.
The white rectangular sign reading 'NO TURN ON RED' establishes an explicit prohibition.
Regulatory signs inform drivers of specific legal requirements and traffic restrictions.
2
Evaluate the driver's legal duty at a red light when this sign is present.
Drivers must remain stopped until the signal changes to green.
The sign overrides the standard rule that allows turning right on red after stopping and yielding.

Key Concept

Regulatory sign restrictions on intersection turns
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