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Question

Difficulty: MediumUsing a Spotter

A driver is slowly backing a straight truck into an enclosed delivery bay while relying on an assigned spotter for clearance guidance. During the maneuver, the driver glances at the side mirror and realizes the spotter is no longer in view. What is the driver required to do first?

  1. A
    Continue backing at an idle speed while sounding short horn taps to alert personnel
  2. Stop the vehicle immediately until eye contact or clear visual sight of the spotter is re-establishedAnswer
  3. C
    Switch from mirror checks to looking exclusively out the rear window while holding the wheel steady
  4. D
    Maintain reverse motion and wait for an audible voice command before applying the service brakes

Answer

Stop the vehicle immediately until eye contact or clear visual sight of the spotter is re-established
Under commercial driving safety standards, a driver and spotter must maintain continuous visual contact throughout any backing maneuver. If the spotter is lost from sight for even a moment, the driver must stop the vehicle immediately and not resume movement until visual contact is fully restored.

Step-by-Step Solution

1
Recognize the loss of visual contact with the ground guide in the vehicle mirrors.
The driver identifies an immediate loss of situational awareness in rear blind zones.
A spotter cannot provide safety guidance or emergency stop warnings if they are outside the driver's direct field of view.
2
Apply the brakes to bring the vehicle to an instant and full halt.
The truck is stabilized, preventing any potential collision with unseen hazards, structures, or pedestrians.
Standard CDL backing safety protocols dictate that the vehicle must never move unless the spotter is actively visible.

Key Concept

CDL Spotter Sightline and Immediate Stop Protocol
Estimated Time:1m 0s
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Topics

Using a Spotter

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