Supplementary plate — text message — South African Road Sign IN11.4

A plate with words on it, used when no symbol says the thing that needs saying. Whatever it reads applies to the sign directly above it. Read it and apply it to the sign above. It exists because a symbol could not carry the message, so the words are the whole point.

Supplementary plate — text message road sign

IN11.4

At a glance

Sign code
IN11.4
Type
Guidance
Official meaning
A supplementary plate carrying a short text message that qualifies the sign above it.

What the Supplementary plate — text message sign means

A plate with words on it, used when no symbol says the thing that needs saying. Whatever it reads applies to the sign directly above it.

What you must do

Read it and apply it to the sign above. It exists because a symbol could not carry the message, so the words are the whole point.

Know the mistake this sign turns on

Full access adds the confusion Supplementary plate — text message 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 IN11.4 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 2026-09-04.

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