R232
At a glance
- Sign code
- R232
- Type
- Regulatory
- Official meaning
- A regulatory prohibition sign forbidding vehicles conveying dangerous goods/substances from proceeding beyond the sign.
What the Vehicles transporting dangerous substances prohibited sign means
Vehicles carrying dangerous substances (such as fuel, explosives or toxic loads) are not allowed past this sign.
What you must do
If your vehicle is transporting dangerous goods, do not pass this sign; take an approved dangerous-goods route.
Know the mistake this sign turns on
Full access adds the confusion Vehicles transporting dangerous substances 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 R232 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.