Driver's License Test Prep
New York Practice Lane Changes & Merging

You are driving in the right lane of an expressway and approaching entrance ramps with merging traffic. What is recommended?

  1. A.
    Move out of the right lane if it is possible to do so safely Correct
  2. B.
    Slow down to let the ramp traffic pass on your right
  3. C.
    Stop in your lane until the ramp is clear of vehicles
  4. D.
    Speed up so vehicles on the ramp merge behind you
The Why

The answer is "Move out of the right lane if it is possible to do so safely"

The manual asks expressway drivers to make room for ramp traffic by moving out of the right lane where possible. Choice B, slowing to let ramp traffic pass on the right, mixes the ramp with a merge lane; the ramp lane is theirs, and slowing in a through lane forces drivers behind to brake for a courtesy the manual does not ask for.

Why the others miss

The traps in the wrong answers

B. Slow down to let the ramp traffic pass on your right

Slowing in a through lane surprises drivers behind you and does not free up the right lane for ramp traffic. This answer applies a surface-street merge courtesy, where slowing to let someone in is safe at low speeds.

C. Stop in your lane until the ramp is clear of vehicles

Stopping in an expressway lane is far more dangerous than any merge conflict it would prevent. This answer treats an expressway through lane as a yield line, which is reserved for ramps with a yield sign.

D. Speed up so vehicles on the ramp merge behind you

Speeding up closes the gap the ramp driver needs; the manual asks you to open room, not close it. This answer reads the merge as a race to the merge point, where holding position beats yielding the lane.

The Rule

This question tests your knowledge of Lane Changes & Merging in New York. Source: New York State Driver's Manual, "Expressway Driving," p.62..

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