Driver's License Test Prep
Oregon Practice Road Markings

You're driving on an Oregon road with a broken white line between your lane and the next. What does this line tell you?

A single broken white dashed line running lengthwise down a dark roadway.
  1. A.
    Crossing is permitted with caution. Correct
  2. B.
    You are in a one-way lane.
  3. C.
    Passing is prohibited.
  4. D.
    You're approaching an intersection.
The Why

The answer is "Crossing is permitted with caution."

A broken white line separates lanes of traffic going in the same direction. Crossing it is permitted with caution, typically when you need to change lanes, and it is the standard same-direction lane divider on multi-lane roads. D mistakes that standard divider for the dotted white pattern used prior to an exit ramp or within an intersection.

Why the others miss

The traps in the wrong answers

B. You are in a one-way lane.

Direction of travel is not encoded by the broken-white pattern itself; it just signals same-direction lane separation. This answer confuses solid yellow (which marks the left edge of one-way roads and ramps) with broken white (a same-direction lane divider).

C. Passing is prohibited.

The broken white line allows lane changes; passing prohibitions are signaled by a solid yellow line on your side or by signs. This answer confuses broken white (same-direction divider, crossing permitted) with a solid yellow line on your side of the lane (no passing).

D. You're approaching an intersection.

The broken white pattern is the standard same-direction lane divider; intersection and exit-ramp guidance uses dotted white lines. This answer confuses broken white (standard lane divider) with dotted white lines used prior to an exit ramp or within an intersection.

The Rule

This question tests your knowledge of Road Markings in Oregon. Source: Oregon Driver Manual, "Pavement Markings, Broken white line," p.24..

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