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Reduced visibility ahead — South African Road Sign W354

Warns that visibility on the road ahead may be reduced, for example by fog, mist, smoke or dust. Slow down, switch on your headlights (not brights in fog), increase your following distance, and be ready to stop for hazards you may not see until late.

Reduced visibility ahead road sign

W354

At a glance

Sign code
W354
Type
Warning
Official meaning
Warning sign indicating a section of road where reduced visibility conditions may be encountered.

What the Reduced visibility ahead sign means

Warns that visibility on the road ahead may be reduced, for example by fog, mist, smoke or dust.

What you must do

Slow down, switch on your headlights (not brights in fog), increase your following distance, and be ready to stop for hazards you may not see until late.

Know the mistake this sign turns on

Full access adds the confusion Reduced visibility 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 test

Sources

  • Road Traffic Signs chart, National Department of TransportThe official chart. Sign W354 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.

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