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Difficulty: HardSpeed Limits and Speed Regulation

On a multi-lane controlled-access highway with a posted minimum speed limit, a motorist is legally prohibited from driving below that minimum speed under any circumstances, including during severe weather or hazardous road conditions.

Answer: Answer

Answer

The statement is False. Statutory minimum speed limits apply only under normal driving conditions and do not mandate drivers to maintain speed when severe weather or road hazards make doing so unsafe.
The statement is false because statutory traffic codes explicitly permit drivers to operate below posted minimum speed limits when reduced speed is necessary for safe operation due to weather, visibility, traffic, or road surface hazards.

Step-by-Step Solution

1
Identify the purpose of posted minimum speed limits on controlled-access highways.
Minimum speed limits exist to prevent traffic impedance and rear-end collisions during normal, clear driving conditions.
Maintaining uniform traffic flow reduces congestion and passing hazards.
2
Analyze how the Basic Speed Law interacts with posted minimum limits.
The Basic Speed Law dictates that no person shall drive at a speed greater or less than is reasonable and prudent under existing hazards.
Safety requirements take precedence over posted speed markers when conditions degrade.
3
Determine legal compliance during hazardous conditions.
When severe weather, dense fog, or slick road surfaces occur, driving below the posted minimum limit is not only legally permitted, but required for safe operation.
Failing to slow down below the minimum speed in hazardous weather constitutes unsafe driving.

Key Concept

Hierarchy of Basic Speed Law Over Posted Minimum Speed Limits
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Topics

Speed Limits and Speed Regulation

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