Driver's License Test Prep
North Carolina Practice Lane Changes & Merging

You are following a large truck on a two-lane road and want to pass. What does the manual specifically warn about?

  1. A.
    You should pass on the right, where the truck driver can see you better.
  2. B.
    You should pass only when the truck begins to slow for a turn.
  3. C.
    Your vision may be blocked, so use caution while attempting to pass. Correct
  4. D.
    Passing a large truck on a two-lane road is never permitted.
The Why

The answer is "Your vision may be blocked, so use caution while attempting to pass."

The manual warns that when following a large truck, your vision may be blocked, so use caution while attempting to pass. Choice A tempts a driver who took the No-Zone briefing about the truck's right-side blind spot as license to pass on that side, when the briefing was only marking where the trucker can't see you, not which side to pass on.

Why the others miss

The traps in the wrong answers

A. You should pass on the right, where the truck driver can see you better.

The manual doesn't endorse passing on the right; the right side is one of the truck's largest blind spots. This answer reads the No-Zone briefing about the trucker's right-side blind spot as a cue to pass on that side, when the briefing only marks where the trucker can't see you.

B. You should pass only when the truck begins to slow for a turn.

A slowing, turning truck is the worst moment to pass, since the trailer may swing wide. This answer treats the truck's drop in speed as an opening, when the manual instead warns to check which way the truck is signaling first.

D. Passing a large truck on a two-lane road is never permitted.

The manual says use caution, not that the pass is forbidden. This answer reads a 'use caution' warning as an outright ban, applying the stopped-school-bus prohibition to a moving truck.

The Rule

This question tests your knowledge of Lane Changes & Merging in North Carolina. Source: North Carolina Driver Handbook, "Trucks and Other Vehicles," p.91..

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