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Difficulty: Very hardDriving in Adverse Weather and Low Visibility

When pulled completely off the paved roadway on the shoulder during extreme low-visibility dense fog, keeping your headlights illuminated and your foot pressed on the brake pedal is the recommended safety procedure to prevent trailing vehicles from colliding with your vehicle.

Answer: Answer

Answer

The statement is false. When safely parked off the traveled portion of the road in dense fog, you should turn off your headlights and release the brake pedal so that trailing drivers do not follow your lights off the road and strike your vehicle.
The statement is false because leaving headlights or brake lights illuminated while stopped on the shoulder leads approaching drivers to follow your lights directly onto the shoulder, increasing the risk of a high-speed rear-end collision.

Step-by-Step Solution

1
Analyze the driver's visual reliance during extreme low-visibility conditions.
Recognize that drivers behind rely heavily on light source cues (taillights, brake lights) to determine lane positioning and movement.
Dense fog eliminates normal road feature visibility, making light sources the primary steering reference.
2
Evaluate the risk of leaving brake lights or headlights on while stopped on the shoulder.
Determine that trailing drivers tend to follow active brake/taillights, mistakenly believing the stopped vehicle is traveling in an active lane of traffic.
This visual misinterpretation causes trailing vehicles to steer off the road and collide with the parked car.
3
Identify the standard safe driving procedure for extreme low-visibility shoulder stops.
Confirm that drivers should pull as far off the road as possible, turn off main headlights and release the brake pedal (taking foot off brake after engaging parking brake), and activate emergency hazard lights.
This prevents trailing vehicles from mistaking a stationary shoulder vehicle for moving traffic.

Key Concept

Low Visibility Parking and Trailing Light Illusion Hazards
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Topics

Driving in Adverse Weather and Low Visibility

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