R503
At a glance
- Sign code
- R503
- Type
- Regulatory
- Official meaning
- Selective-restriction plate R503: the sign above it applies only during the days and hours shown on the plate.
What the Applies during the specified days and hours sign means
This is a supplementary plate fixed under another road sign. It means the sign above applies only during the days and hours shown on the plate.
What you must do
Read it with the sign above: that sign's instruction applies only during the days and hours shown on the plate. Outside those times the sign above does not apply, unless another plate also applies.
Know the mistake this sign turns on
Full access adds the confusion Applies during the specified days and hours 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 R503 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 2026-08-25.