R127
At a glance
- Sign code
- R127
- Type
- Regulatory
- Official meaning
- Only abnormal vehicles (vehicles or loads exceeding normal legal dimensions or mass and operating under a special permit) are permitted beyond this sign.
What the Abnormal vehicles only sign means
This blue command sign means the road or lane ahead is reserved for abnormal vehicles only - oversized or overweight loads travelling under special permit.
What you must do
If you are not driving a permitted abnormal vehicle, do not enter; keep to the lanes or routes intended for normal traffic.
Know the mistake this sign turns on
Full access adds the confusion Abnormal vehicles only 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 R127 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 2026-09-03.