Driver's License Test Prep
Oregon Practice Lane Changes & Merging

You're driving on an Oregon multi-lane freeway in the right lane and another vehicle is signaling to enter from an on-ramp. What does the handbook recommend?

  1. A.
    Hold your speed and lane; the merging driver must yield.
  2. B.
    Move over a lane, or adjust your speed a little. Correct
  3. C.
    Brake hard to create a gap.
  4. D.
    Speed up so you pass the entrance ramp before the merging vehicle reaches the freeway.
The Why

The answer is "Move over a lane, or adjust your speed a little."

The Side Space Cushion section tells freeway drivers to make room for vehicles entering freeways: if there is no one next to you, move over a lane; otherwise, help the merging driver by slowing down or speeding up a little. Even though the entering vehicle bears the legal yield obligation, the handbook still puts the merge-assist behavior on the freeway driver. The speed adjustment the manual describes is small; hard braking is rejected elsewhere in the manual as a rear-end collision risk, and racing the merging vehicle to the merge point closes the gap instead of opening one.

Why the others miss

The traps in the wrong answers

A. Hold your speed and lane; the merging driver must yield.

The entering vehicle does have the legal yield obligation, but the handbook still asks you to help them find a gap. Misreading: Reads only the merging driver's yield duty and ignores the manual's instruction to make room for vehicles entering freeways.

C. Brake hard to create a gap.

Hard braking on a freeway puts you and traffic behind you at risk; the handbook calls for slowing down or speeding up a little, not slamming the brakes. Misreading: Confuses 'slowing down a little' with hard braking, which the manual elsewhere flags as a rear-end collision risk.

D. Speed up so you pass the entrance ramp before the merging vehicle reaches the freeway.

The manual's 'speeding up a little' means a small adjustment that opens a gap for the merger. Racing to beat the merging vehicle to the merge point closes the gap and defeats the purpose of the rule. Misreading: Misreads 'speeding up a little, if needed' as permission to race ahead of the merging vehicle rather than a small adjustment that helps the merge happen safely.

The Rule

This question tests your knowledge of Lane Changes & Merging in Oregon. Source: Oregon Driver Manual, "Side Space Cushion," p.28..

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