Warning Road Sign (W12-1)
Double Arrow (Pass on Either Side) Sign Meaning & Driving Rules
Warns of a physical obstruction or traffic island ahead; traffic may safely pass on either the left or right side.
Required Driver Action & Right-of-Way Protocol
Choose whichever lane is most suitable for your destination and pass smoothly on either side of the island.
Detailed Overview & Purpose
The Double Arrow sign (W12-1) is mounted directly on an obstruction, traffic island, or gore point. It informs drivers that both the left and right lanes lead in the same travel direction and traffic may pass on either side of the obstacle.
Do not confuse this with the Two-Direction Large Arrow (W1-7) at T-intersections.
Key Standard & Origin: The arrows point downward at 45-degree angles to direct drivers toward the roadway lanes on either side of the barrier.
Where You'll Find This Sign
Mounted on concrete median islands, toll plaza lane splits, and channelizing gore points.
Common Driver Mistakes to Avoid
Thinking the left side is oncoming traffic and swerving unnecessarily to the right.
How This Sign Appears on the DMV Knowledge & Road Test
Featured in channelization and traffic island recognition questions.
Legal Penalties and Moving Violations
Striking the traffic island due to indecision carries property damage citations.
When you encounter the official Double Arrow (Pass on Either Side) (W12-1) on a roadway, what is your legal duty?
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