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Difficulty: MediumRegulatory Signs

A posted white rectangular regulatory sign depicting a black curved arrow pointing to the left covered by a red circle with a diagonal red slash legally prohibits drivers from performing both a left turn and a U-turn at the intersection.

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Answer

The statement is TRUE. A 'No Left Turn' regulatory sign legally prohibits both left turns and U-turns at the designated location.
The statement is true because regulatory traffic standards dictate that a 'No Left Turn' sign forbids both left turns and U-turns at the intersection, as a U-turn requires making an initial leftward turn.

Step-by-Step Solution

1
Identify the symbol and function of the described regulatory sign.
The white rectangular sign featuring a curved left arrow inside a red circle with a diagonal slash represents the standard 'No Left Turn' regulatory sign.
Red circles with diagonal slashes are standardized regulatory symbols indicating prohibited driver actions.
2
Apply standard traffic law rules regarding left-turn prohibition signage.
Under the Manual on Uniform Traffic Control Devices (MUTCD) and state motor vehicle codes, a 'No Left Turn' sign restricts both left turns and U-turns unless a separate sign explicitly allows U-turns.
A U-turn inherently begins with a left turn maneuver; thus, prohibiting left turns legally prevents drivers from initiating U-turns to avoid hazardous traffic conflicts.

Key Concept

A 'No Left Turn' regulatory sign prohibits both left turns and U-turns at an intersection.
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Regulatory Signs

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