Driver's License Test Prep
Oregon Practice Passing

You're approaching a slower vehicle on a two-lane Oregon road. The centerline is broken yellow on your side now, but you can see it changes to solid yellow on your side a few hundred feet ahead. May you start the pass?

  1. A.
    The broken yellow on your side at this moment is enough on its own to authorize starting the pass.
  2. B.
    The pass is permitted only if you can complete it and return to your lane before the solid yellow begins. Correct
  3. C.
    Starting the pass is fine, and crossing into the solid-yellow zone to finish the pass is allowed if needed.
  4. D.
    Absence of currently visible oncoming traffic is enough on its own to authorize starting the pass.
The Why

The answer is "The pass is permitted only if you can complete it and return to your lane before the solid yellow begins."

On a two-lane Oregon road, a pass may not begin before the start of a passing zone and must be completed before you enter a no-passing zone. The broken yellow on your side at the moment you start is not enough on its own; you also have to be able to return to your lane before the solid yellow begins. If you cannot, do not start the pass.

Why the others miss

The traps in the wrong answers

A. The broken yellow on your side at this moment is enough on its own to authorize starting the pass.

The starting line being broken on your side is necessary but not sufficient; you must also be able to complete the pass before the no-passing zone begins. Misreading: Treats the centerline at the moment of starting as the only condition, ignoring the rule that the pass must be completed before you enter a no-passing zone.

C. Starting the pass is fine, and crossing into the solid-yellow zone to finish the pass is allowed if needed.

Crossing the solid yellow on your side to finish a pass is not permitted; the pass must complete before that line begins. Misreading: Permits the pass to overflow into the no-passing zone, contradicting the requirement that the pass be completed before you enter it.

D. Absence of currently visible oncoming traffic is enough on its own to authorize starting the pass.

Visibility is necessary but not sufficient; the centerline rule still governs whether you can complete the pass in time. Misreading: Substitutes momentary clear visibility for the completion rule, ignoring that the pass must be completed before the no-passing zone begins.

The Rule

This question tests your knowledge of Passing in Oregon. Source: Oregon Driver Manual, "Passing," p.31..

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