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Merge: What It Means & What To Do

Merge (W4-1) - diamond yellow with black warning sign: Two lanes of traffic are merging into one
MUTCD CodeW4-1
CategoryWarning Signs
ShapeDiamond
ColorYellow with black

What Does the Merge Mean?

Two lanes of traffic are merging into one. Be prepared to allow vehicles to merge.

About This Sign

The merge sign warns that traffic from another road will join your lane ahead.

Commonly Confused With

Other Warning Signs

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Merge - DMV Road Sign Meaning & Test Guide | DMV IQ