What to Do
Enter and travel only in that direction.
A Detail to Remember
A single horizontal arrow differs from the opposing arrows used for a two-way road.
Understanding Regulatory Signs
Regulatory signs communicate instructions road users must follow. Read supplementary wording carefully: the vehicle type, road layout or time of day can affect how an instruction applies.
Artwork Variations
Compare the symbols, arrows and supplementary wording shown in these examples.
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.
