R4.1
At a glance
- Sign code
- R4.1
- Type
- Regulatory
- Official meaning
- Regulatory one-way roadway sign: vehicles may proceed only in the direction indicated by the arrow.
What the One-way roadway sign means
This road is one-way only, and traffic must travel in the direction the white arrow points (here, to the left).
What you must do
Travel only in the arrow's direction and never enter or drive against the flow on this roadway.
Know the mistake this sign turns on
Full access adds the confusion One-way roadway is most often mistaken for and the hint for the test, on this sign and every other one — plus practice questions and timed mock papers. The practice sample and the readiness test are free.
See the free practice testSources
- Road Traffic Signs chart, National Department of TransportThe official chart. Sign R4.1 was checked against it, artwork and meaning, before being published here.
- National Road Traffic Regulations, 2000 — Schedule 1Where the prescribed meaning of each road traffic sign is set out.
Last updated 2026-08-23.