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Difficulty: MediumSpeed Limits and Speed Regulation

Under the Basic Speed Law, a driver operating a vehicle at the posted maximum speed limit on a narrow roadway in dense fog is acting lawfully, provided they do not exceed the numerical limit shown on the speed sign.

Answer: Answer

Answer

False
The Basic Speed Law requires drivers to adjust their speed downward from the posted limit when conditions such as dense fog impair safety.

Step-by-Step Solution

1
Analyze the relationship between posted maximum speed limits and atmospheric conditions.
Posted speed limits represent the maximum allowable speed under ideal driving conditions.
Adverse conditions such as dense fog drastically impair hazard perception and increase stopping distances.
2
Apply the legal standard of the Basic Speed Law.
Maintaining the maximum posted speed when visibility is severely reduced by fog is unsafe and constitutes a speeding violation under the Basic Speed Law.
Drivers are legally required to reduce speed below the posted maximum whenever weather or road conditions create extra hazards.

Key Concept

Basic Speed Law compliance in adverse weather conditions
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Topics

Speed Limits and Speed Regulation

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