ThinkabaraNo Passing Zone sign
Warning signs · MUTCD W14-3
What it means
This is the start of a no-passing zone.
How to recognize it
Yellow pennant (sideways triangle) on the left side of the road — the only sign with this shape.
What drivers do
Do not pass other vehicles until the zone ends. It is placed on the left side so you see it when you might start to pass.
Check yourself
Which sign has a pennant (sideways triangle) shape?
Learning summary, not legal advice. Traffic laws vary by state — check your state driver's handbook. Drawing: our own illustration of the standard MUTCD design.
Frequently asked questions
What does the No Passing Zone sign mean?
This is the start of a no-passing zone.
What should a driver do at a No Passing Zone sign?
Do not pass other vehicles until the zone ends. It is placed on the left side so you see it when you might start to pass.
What does the No Passing Zone sign look like?
Yellow pennant (sideways triangle) on the left side of the road — the only sign with this shape. It is a warning sign (yellow). MUTCD code W14-3.