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Difficulty: MediumSpeed Limits and Speed Regulation

A motorist is driving on a city avenue with a posted maximum speed limit of 35 mph35\text{ mph}. A sudden heavy storm creates standing water on the road and significantly reduces visibility while traffic is congested. According to the Basic Speed Law, which of the following describes the driver's legal obligation regarding speed?

  1. The driver must reduce speed below 35 mph35\text{ mph} to a rate that is safe and reasonable for the current weather and road conditions.Answer
  2. B
    The driver may lawfully maintain 35 mph35\text{ mph} as long as the vehicle remains within its marked lane.
  3. C
    The driver must maintain at least 35 mph35\text{ mph} to avoid impeding the normal flow of surrounding traffic.
  4. D
    The driver is legally allowed to temporarily exceed 35 mph35\text{ mph} to quickly pass through the flooded area.

Answer

The driver must reduce speed below 35 mph35\text{ mph} to a rate that is safe and reasonable for the current weather and road conditions.
The Basic Speed Law dictates that you may never drive faster than is safe for current conditions, regardless of the posted speed limit. When severe rain, poor visibility, and standing water exist, safe driving requires slowing down below the posted 35 mph35\text{ mph} maximum.

Step-by-Step Solution

1
Identify the relevant legal principle governing speed during adverse weather conditions.
Recognize that the Basic Speed Law applies whenever conditions are not ideal.
Posted speed limits establish the maximum legal speed under clear weather and ideal road conditions.
2
Evaluate the environmental hazards described in the scenario (standing water, reduced visibility, heavy traffic).
Determine that driving at the posted 35 mph35\text{ mph} limit is hazardous under these conditions.
Standing water causes traction loss, and low visibility reduces reaction time, making the posted speed unsafe.
3
Select the choice that correctly reflects the driver's duty to adjust speed for safety.
Concluding that the driver must adjust speed below 35 mph35\text{ mph} to what is safe for conditions.
The Basic Speed Law explicitly states that a person shall not drive at a speed greater than is reasonable or prudent having due regard for weather, visibility, traffic, and surface conditions.

Key Concept

Basic Speed Law vs. Posted Speed Limit
Estimated Time:1m 0s
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Topics

Speed Limits and Speed Regulation

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