Appendix V
Table of Letter Heights for Directional Signs
(see paragraph 141)
| Type of road | 'x' height of letters of advance direction signs |
'x' height of letters of direction and route- confirmatory signs |
| (a) Dual-carriageway roads built to near-motorway standards | 10 inches | 8 inches |
| (b) Unrestricted dual-carriageway and single three lane carriageway roads a mile or more in length | 8 inches | 6 inches |
| (c) Other dual and single-carriageway trunk and classified roads and wide urban roads | 6 inches | 4 inches |
| (d) Other urban roads and all unclassified roads | 4 inches | 4 inches |
| ("'x' height" means the height of the lower-case letter x) |
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