R303
At a glance
- Sign code
- R303
- Type
- Regulatory
- Official meaning
- Indicates the beginning of a traffic lane reserved for the exclusive use of buses.
What the Start of a reserved lane for buses sign means
A lane reserved for buses starts here. From this point the lane is for buses only.
What you must do
If you are not in a bus, do not move into the reserved lane from this point onward.
Know the mistake this sign turns on
Full access adds the confusion Start of a reserved lane for buses 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 R303 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.