R233
At a glance
- Sign code
- R233
- Type
- Regulatory
- Official meaning
- A regulatory prohibition sign forbidding abnormal vehicles (those operating under an abnormal-load permit) from proceeding beyond the sign.
What the Abnormal vehicles prohibited sign means
Abnormal vehicles - oversized or overweight loads marked 'AV' - are not allowed past this sign.
What you must do
If you are driving an abnormal/permit load, do not pass this sign; follow your permitted abnormal-load route.
Know the mistake this sign turns on
Full access adds the confusion Abnormal vehicles prohibited 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 R233 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.