One-Way Roadway Sign
The one-way sign indicates the single permitted direction of flow on a roadway. It pairs with a No Entry Sign at the opposite end of the street.
Meaning
Blue rectangle with a single white arrow.
Required driver response
Travel only in the direction the arrow points; no opposing traffic should be expected.
Question patterns
- “What does this sign mean?” — recognition of meaning.
- “What must you do when you see this sign?” — required response.
- Distractor trap: mistaking it for a ‘keep left/right’ command or assuming two-way traffic.
Ontology One-Way Roadway Sign [part-of] Regulatory Signs
Connections
- Regulatory Signs — part_of_topic, source: 2026-06-28
- Road Signs Signals and Markings — part_of_topic, source: 2026-06-28
- South African Road Traffic Signs Manual — derived_from_source, source: 2026-06-28