R337
At a glance
- Sign code
- R337
- Type
- Regulatory
- Official meaning
- Indicates the beginning of a lane reserved for high-occupancy vehicles carrying the minimum number of occupants shown in the diamond symbol.
What the Start of a reserved lane for high-occupancy vehicles sign means
Marks the point where a reserved high-occupancy vehicle lane starts. From here, the marked lane is only for vehicles carrying at least the number of people shown in the diamond.
What you must do
If your vehicle does not carry the required minimum occupants, do not move into the reserved lane that begins here; stay in the ordinary lanes.
Know the mistake this sign turns on
Full access adds the confusion Start of a reserved lane for high-occupancy 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 testSources
- Road Traffic Signs chart, National Department of TransportThe official chart. Sign R337 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.