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Added Lane: What It Means & What To Do

Added Lane (W4-3) - diamond yellow with black warning sign: A new lane is being added
MUTCD CodeW4-3
CategoryWarning Signs
ShapeDiamond
ColorYellow with black

What Does the Added Lane Mean?

A new lane is being added. Entering traffic does not need to merge.

About This Sign

The added lane sign indicates the road is gaining a lane so entering traffic has its own lane.

Other Warning Signs

Sharp Turn (W1-1) - diamond yellow with black warning sign: A sharp turn is ahead

Sharp Turn

W1-1

Curve Ahead (W1-2) - diamond yellow with black warning sign: A curve is ahead

Curve Ahead

W1-2

Reverse Turn (W1-3) - diamond yellow with black warning sign: The road ahead makes two sharp turns in opposite directions

Reverse Turn

W1-3

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Added Lane - DMV Road Sign Meaning & Test Guide | DMV IQ