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Difficulty: MediumSchool Buses and Children Zones

At 8:15 AM on a Tuesday, a motorist travels down a street with a standard posted speed limit of 35 mph and enters a school corridor with a regulatory sign stating '20 MPH WHEN CHILDREN ARE PRESENT.' No children or pedestrians are visible anywhere near the sidewalk, crosswalks, or school grounds. What is the maximum legal speed limit for the vehicle in this area?

  1. 35 mph, because the reduced 20 mph limit applies only when children are actively present or nearby.Answer
  2. B
    20 mph, because the lower speed limit is automatically enforced during morning school arrival hours regardless of whether children are seen.
  3. C
    15 mph, because drivers are legally required to drop speed below all posted limits whenever driving near school property.
  4. D
    25 mph, because all school zones default to a standardized 25 mph speed limit during weekdays.

Answer

The maximum legal speed limit is 35 mph because the 20 mph speed reduction is legally conditional upon children being present, and no children are nearby.
When a school zone sign specifies 'WHEN CHILDREN ARE PRESENT,' the reduced speed limit takes effect only when children are walking, standing, or gathering near the roadway or crosswalks. When no children are present, the normal posted speed limit (35 mph) remains legal.

Step-by-Step Solution

1
Read and parse the wording of the posted school zone signage.
Identified that the sign reads '20 MPH WHEN CHILDREN ARE PRESENT' rather than specifying fixed school hours or flashing beacons.
Regulatory signs define the exact conditions under which speed restrictions take legal effect.
2
Evaluate the current road conditions against the conditional requirement of the sign.
Confirmed that no children or pedestrians are present along the roadway, sidewalk, or schoolyard.
Since the condition 'WHEN CHILDREN ARE PRESENT' is not met, the reduced speed restriction is not active.
3
Determine the applicable legal speed limit.
The standard posted speed limit of 35 mph remains in effect.
Drivers may maintain the standard road speed when conditional school zone parameters are not met, provided basic speed law safety conditions allow.

Key Concept

School zone speed limit enforcement rules based on conditional signage wording.
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Topics

School Buses and Children Zones

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