Applies to construction vehicles — South African Road Sign R570

This is a supplementary plate fixed under another road sign. It means the sign above it applies only to construction vehicles. Read it together with the sign above. That sign's instruction applies to construction vehicles. If your vehicle is not in that class, the sign above does not apply to you, unless another plate also applies.

Applies to construction vehicles road sign

R570

At a glance

Sign code
R570
Type
Regulatory
Official meaning
Selective-restriction plate R570: it limits the sign mounted above it to construction vehicles.

What the Applies to construction vehicles sign means

This is a supplementary plate fixed under another road sign. It means the sign above it applies only to construction vehicles.

What you must do

Read it together with the sign above. That sign's instruction applies to construction vehicles. If your vehicle is not in that class, the sign above does not apply to you, unless another plate also applies.

Know the mistake this sign turns on

Full access adds the confusion Applies to construction vehicles 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 R570 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.

Keep reading