Driver's License Test Prep
North Carolina Practice Regulatory Signs

You have stopped at a stop sign. When does the manual say you may move into the intersection?

  1. A.
    When you can enter without interfering with approaching traffic. Correct
  2. B.
    Once cross traffic is yielding to you.
  3. C.
    After a three-second count behind the stop line.
  4. D.
    As soon as the driver on your right has moved through.
The Why

The answer is "When you can enter without interfering with approaching traffic."

After the full stop, you wait to move until you can enter the intersection without interfering with approaching traffic. That standard reads the whole flow of traffic you must cross or merge with, not any single car. Choice C is the trap: the three-second count is a driver's-ed habit passed around informally, and drivers swap it in for the yielding standard the manual actually sets.

Why the others miss

The traps in the wrong answers

B. Once cross traffic is yielding to you.

The duty to wait sits with the driver at the stop sign, not with cross traffic. Reads another driver's courtesy slow-down as permission to go rather than judging whether your entry will interfere with approaching traffic. This answer flips the yielding direction and treats a nearby driver's slowing as a grant of right of way.

C. After a three-second count behind the stop line.

A three-second count does not establish that the way is clear. After stopping, wait until you can enter without interfering with approaching traffic. This answer trusts a count-to-three timer picked up from informal driver coaching that the manual never sanctions.

D. As soon as the driver on your right has moved through.

One vehicle clearing the intersection does not by itself show that your entry will not interfere with the rest of the approaching traffic. You still have to read the full picture before moving. This answer carries the four-way-stop rule about the driver on the right over to deciding when to leave any stop sign.

The Rule

This question tests your knowledge of Regulatory Signs in North Carolina. Source: North Carolina Driver Handbook, "Flashing Signals," p.81..

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