Should you stop on a highway entrance ramp before merging?

Usually no, stop only when absolutely necessary.

  1. Always stop
  2. Stop whenever traffic is visible
  3. Do not stop unless necessary ✔

Why: A needless stop removes the speed and space needed to merge. Keep moving, adjust speed, and choose a safe gap unless traffic control or conditions require stopping.

Huh, didn't know that: Some entrance ramps use traffic signals, and those signals must be obeyed.

The dad joke
The ramp kept moving because it was on an upward career path.
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References

Answer: Do not stop unless necessary. A needless stop removes the speed and space needed to merge. Keep moving, adjust speed, and choose a safe gap unless traffic control or conditions require stopping.

  1. California Driver's Handbook, Merging www.dmv.ca.gov/portal/handbook/california-driver-handbook/navigating-the-roads
    Merge into highway traffic when safe to do so. Do not stop unless absolutely necessary.
    Checked 2026-10-09.

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