(i) The appropriate end of the sign plate shall be chamfered 120°, the pointed end being radiused 1 S/W.
(ii) A chevron of the letter colour shall be placed vertically at a distance of 3½ S/W from the end border and 1½ S/W from the top and bottom borders.
(iii) 1½ S/W shall separate the chevron from the nearest destination in any direction.
(iv) Where used on signs with 1 line of information chevrons shall be 3½ S/W wide, with 2 lines of information 4½ S/W wide, 3 lines 4 S/W wide and 4 lines 5 S/W wide.
(i) Route numbers shall be centred over place names and mileages.
(ii) Place names shall be ranged left.
(iii) Mileages shall follow related place names on the same line and shall be ranged right.
(i) The lines of legend shall be centred one over the other.
(ii) The borders of the plates shall be 1 S/W.
(iii) Internal corners shall be radiused 1 S/W.
(iv) Any panels shall be separated by a horizontal line ¾ S/W wide.
(v) Supplementary plates should be placed below the sign to which they relate at a distance of an 'x' height of the lettering on the plate.
The following table shows the measurement in inches of the more commonly used multiples of stroke-widths.
| S/Ws | 'X' HEIGHT | ||||||||
| 1″ | 2″ | 2½″ | 3″ | 4″ | 6″ | 8″ | 10″ | 12″ | |
| 1 | .24 | .47 | .59 | .71 | .95 | 1.43 | 1.90 | 2.37 | 2.85 |
| 1½ | .36 | .71 | .89 | 1.07 | 1.43 | 2.14 | 2.85 | 3.56 | 4.28 |
| 2 | .47 | .95. | 1.11 | 1.43 | 1.90 | 2.85 | 3.80 | 4.75 | 5.70 |
| 2½ | .59 | 1.18 | 1.48 | 1.78 | 2.38 | 3.56 | 4.75 | 5.94 | 7.13 |
| 3 | .71 | 1.42 | 1.78 | 2.14 | 2.85 | 4.27 | 5.70 | 7.12 | 8.55 |
| 4 | .95 | 1.90 | 2.38 | 2.85 | 3.80 | 5.70 | 7.60 | 9.50 | 11.40 |
| 5 | 1.19 | 2.37 | 2.97 | 3.56 | 4.75 | 7.12 | 9.50 | 11.87 | 14.25 |
| 6 | 1.43 | 2.85 | 3.56 | 4.28 | 5.70 | 8.55 | 11.40 | 14.25 | 17.10 |
| 7 | 1.66 | 3.32 | 4.16 | 4.99 | 6.65 | 9.97 | 13.30 | 16.62 | 19.95 |
| 8 | 1.90 | 3.80 | 4.75 | 5.70 | 7.60 | 11.40 | 15.20 | 19.00 | 22.80 |
| 9 | 2.14 | 4.27 | 5.35 | 6.42 | 8.55 | 12.82 | 17.10 | 21.37 | 25.65 |
| 10 | 2.38 | 4.75 | 5.94 | 7.13 | 9.50 | 14.25 | 19.00 | 23.75 | 28.50 |
| 12 | 2.85 | 5.70 | 7.13 | 8.56 | 11.40 | 17.10 | 22.80 | 28.50 | 34.20 |
| 13 | 3.09 | 6.17 | 7.72 | 9.27 | 12.35 | 18.52 | 24.70 | 30.87 | 37.05 |
| 20 | 4.76 | 9.50 | 11.88 | 14.25 | 19.00 | 28.50 | 38.00 | 47.50 | 57.00 |
| 30 | 7.13 | 14.25 | 17.82 | 21.39 | 28.50 | 42.75 | 57.00 | 71.25 | 85.50 |
146
(87707) Wt. 3026 K.64 5/63 Hw., and M.F.P.
