All dimensions are in millimetres unless otherwise specified
| Code | RP1 |
|---|---|
| Rule | R2-1 |
| MoTSaM | RG5 |
| EPS image | Priority Stop |
| Non-labeled image | Priority Stop |
| Last updated | 28 November 2016 |
| a : | 750 | 900 | 1200 |
| b : | 310 | 370 | 490 |
| c : | 25 | 32 | 38 |
| STOP : | 220 C | 265 C | 350 C |
| Legend | reflectorised white |
| Background | reflectorised red |
| Border | reflectorised white |
