| Number of Letters for Signs with Suffix (RD, LN, DR & etc) | Number of Letters for Signs with Prefix/Suffix (N, S, E, W, RD, DR) | |||||
|---|---|---|---|---|---|---|
| Sizes | ALL CAPS | Upper & Lowercase | Upper & Lowercase (q, p, g, l, v) |
ALL CAPS | Upper & Lowercase | Upper & Lowercase (q, p, g, l, v) |
| 12″ × 6″ | NA | NA | NA | NA | NA | NA |
| 18″ × 6″ | 3 | 4 | 5 | NA | NA | NA |
| 24″ × 6″ | 6 | 8 | 9 | 4 | 5 | 6 |
| 30″ × 6″ | 8 | 11 | 13 | 6 | 8 | 9 |
| 36″ × 6″ | 12 | 16 | 17 | 9 | 11 | 13 |
| 42″ × 6″ | 14 | 18 | 22 | 11 | 15 | 18 |
| 48″ × 6″ | 16 | 23 | 26 | 14 | 19 | 22 |
| 12″ × 8″ | NA | NA | NA | NA | NA | NA |
| 18″ × 8″ | 3 | 5 | 5 | NA | NA | NA |
| 24″ × 8″ | 6 | 8 | 8 | 4 | 5 | 5 |
| 30″ × 8″ | 9 | 12 | 12 | 7 | 9 | 9 |
| 36″ × 8″ | 12 | 16 | 16 | 10 | 13 | 13 |
| 42″ × 8″ | 15 | 20 | 20 | 13 | 17 | 17 |
| 48″ × 8″ | 18 | 24 | 24 | 16 | 21 | 21 |
| 12″ × 9″ | NA | NA | NA | NA | NA | NA |
| 18″ × 9″ | NA | NA | NA | NA | NA | NA |
| 24″ × 9″ | 4 | 5 | 5 | 2 | NA | NA |
| 30″ × 9″ | 6 | 7 | 7 | 4 | 5 | 5 |
| 36″ × 9″ | 8 | 10 | 10 | 6 | 8 | 8 |
| 42″ × 9″ | 10 | 13 | 13 | 8 | 10 | 10 |
| 48″ × 9″ | 12 | 16 | 16 | 10 | 13 | 13 |
| 12″ × 12″ | NA | NA | NA | NA | NA | NA |
| 18″ × 12″ | NA | NA | NA | NA | NA | NA |
| 24″ × 12″ | 2 | 3 | 3 | NA | NA | NA |
| 30″ × 12″ | 4 | 5 | 5 | 2 | 3 | 3 |
| 36″ × 12″ | 6 | 8 | 8 | 4 | 5 | 5 |
| 42″ × 12″ | 8 | 11 | 11 | 6 | 8 | 8 |
| 48″ × 12″ | 10 | 13 | 13 | 8 | 11 | 11 |