W333
At a glance
- Sign code
- W333
- Type
- Warning
- Official meaning
- Warning that the roadway ahead is, or may become, slippery.
What the Slippery road ahead sign means
The road ahead may be slippery, so your vehicle could skid or lose grip.
What you must do
Reduce speed, increase your following distance, and brake and steer smoothly to avoid skidding.
Know the mistake this sign turns on
Full access adds the confusion Slippery road ahead 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 W333 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.