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BAPPENDIX
SIZES OF SUPPLEMENTARY PLATES
| Diagram No. |
Description | x-height or plate size (mm) appropriate to the triangle heights shown (see Appendix A) | ||||
|---|---|---|---|---|---|---|
| 6001 (mm) |
7501 (mm) |
900 (mm) |
12002 (mm) |
15003 (mm) | ||
| 502 | STOP 'x' yds | 62.5 | 75 | 100 | 125 | – |
| 503 | GIVE WAY 'x' yds | 62.5 | 75 | 100 | 125 | – |
| 511 | REDUCE SPEED NOW | 62.5 | 75 | 100 | 125/150 | 200 |
| 513.1 | Adverse camber | 50/62.5 | 75 | 100 | 125 | 150 |
| 513.2 | Maximum speed advised | 50*/62.5 | 75 | 100 | 125 | – |
| 518 | Single file traffic | 50/62.5 | 75 | 100 | 125 | 150 |
| 519 | Single track road | 50/62.5 | 75 | 100 | – | – |
| 525 | Low gear now | 50/62.5 | 75 | 100 | 125 | 150 |
| 526 | Keep in low gear | 50/62.5 | 75 | 100 | 125 | 150 |
| 527 | Low gear for 'x' miles | 50/62.5 | 75 | 100 | 125 | 150 |
| 530.1 | Overhanging building (when used with diagram 530) | 50*/62.5 | 75 | 100 | – | – |
| 530.1 | Overhanging building (when used with diagram 530A) | 50*/62.5 | 75 | 100 | – | – |
| 531.2 | ARCH BRIDGE High vehicles use middle of road | – | 75 | 100 | 125/150 | – |
| 543.1 | Part time signals | 50/62.5 | 75 | 100 | 125 | 150 |
| 546 | School | 50/62.5 | 75 | 100 | 125/150 | – |
| 547.1 | Patrol | 62.5/75 | 100 | 125 | 150 | – |
| 547.2 | Playground | 50/62.5 | 75 | 100 | 125/150 | – |
| 547.3 | No footway for 'x' yds | 50/62.5 | 75 | 100 | 125/150 | – |
| 547.4 | Disabled people | 50/62.5 | 75 | 100 | 125/150 | – |
| 547.7 | Disabled children | 50/62.5 | 75 | 100 | 125/150 | – |
| 547.84 | Humped crossing | 50/62.5 | 75 | 100 | 125 | – |
| 548.1 | When lights show 'x' yds | 50/62.5 | 75 | 100 | 125 | 150 |
| 553 | Horse-drawn vehicles and animals | 50*/62.5 | 75 | 100 | – | – |
| 553.2 | Farm traffic | 50/62.5 | 75 | 100 | 125/150 | 150 |
| 554.3 | Ice | 62.5/75 | 100 | 125 | 150 | 200 |
| Snowdrifts | 62.5 | 75 | 100 | 125 | 150 | |
| 556.2 | Soft verges for 'x' miles | 50*/62.5 | 75 | 100 | 125 | 150 |
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