Large arrow sign
Placed at a sharp turn: the road changes direction sharply in the arrow’s direction.
MUTCD designation W1-6. See the federal MUTCD, page 8.
How to read signs like this
Warning signs are usually yellow diamonds. They tell you about a hazard or change ahead (curves, intersections, merges, slippery roads) so you can slow down before you get there.
Related signs
All road signs · Road sign flashcards (free)