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Question

Difficulty: MediumNight Driving and Headlight Usage

A driver is traveling on an unlit rural road at night using high-beam headlights. As the vehicle closes distance behind another car moving in the same direction, at what distance is the driver legally required to switch from high beams to low beams?

  1. Within 300 feet of the vehicle aheadAnswer
  2. B
    Within 500 feet of the vehicle ahead
  3. C
    Within 100 feet of the vehicle ahead
  4. D
    Only when the driver ahead signals by tapping their brakes

Answer

Within 300 feet of the vehicle ahead
When following another vehicle traveling in the same direction at night, drivers must dim their high beams to low beams within 300 feet of the vehicle ahead. This rule ensures that intense high-beam light does not reflect off the lead vehicle's mirrors, which would blind or distract the driver ahead.

Step-by-Step Solution

1
Identify the night driving scenario
The driver is approaching another vehicle from behind (following in the same lane/direction).
Traffic safety regulations distinguish between approaching oncoming traffic and following traffic from behind.
2
Apply mandatory high-beam dimming distance rules
High beams must be dimmed at 500 feet for oncoming traffic and 300 feet when following a vehicle.
Dimming headlights at 300 feet behind a lead vehicle prevents high-intensity light from reflecting off the lead driver's rearview and side mirrors.

Key Concept

High-Beam Dimming Requirements for Following Traffic
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Topics

Night Driving and Headlight Usage

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