What to Do
Slow down before the transition and allow for different traction.
A Detail to Remember
The road symbol changes from solid to textured, illustrating the surface change.
Understanding Warning Signs
Yellow warning signs ask you to anticipate a condition ahead. Read any distance or speed plaque with the main symbol, then adjust to what you can actually see on the road.
Sources and Review
Checked November 12, 2026. Explanations follow the sources below; image-specific observations refer to the pictured G1 Prep artwork.
Sign artwork: G1 Prep by Roadity. See our editorial policy.
