W328
At a glance
- Sign code
- W328
- Type
- Warning
- Official meaning
- Warning that the roadway narrows from both sides ahead.
What the Roadway narrows from both sides ahead sign means
Warns that the road ahead becomes narrower, with both edges closing in from the left and the right.
What you must do
Reduce speed, keep to your lane, and be aware that there is less room, so watch for oncoming and adjacent vehicles.
Know the mistake this sign turns on
Full access adds the confusion Roadway narrows from both sides 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 W328 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.