3.13 Where advance warning of the STOP sign is required, this is provided by the sign to diagram 501 and its associated distance plate (diagram 502) which may be accompanied by the worded marking SLOW (diagram 1024) on the carriageway. Table 2-1 in Chapter 4 indicates where advance signing is appropriate.
| 85 percentile speed(mph) | Size of STOP sign(mm) | Size of STOP road marking(mm) |
|---|---|---|
| Up to 30 | 750 | 1600 |
| 31 to 40 | 750 (900) | 1600 (2800) |
| 41 to 50 | 900 (1200) | 2800 |
| Over 50 | 1200 | 2800 |
NOTE: Alternative sizes are shown in brackets. The alternatives should be used where they are required by site conditions or where the accident record calls for greater emphasis.
GIVE WAY MARKINGS
3.14 The Give Way marking to diagram 1003 is used at major / minor road junctions. It may be accompanied by the approach triangle (diagram1023) and the upright sign to diagram 602, but in the following combinations only:
(i) Give Way marking alone
(ii) Give Way marking with approach triangle
(iii) Give Way marking with approach triangle and GIVE WAY sign.
Advance warning of the GIVE WAY using diagrams 501 and 503 (in accordance with the guidance in table 2-1 in Chapter 4) may be provided with (iii), i.e. only when the upright GIVE WAY sign is installed at the junction. In all cases, the worded SLOW road marking may be used in advance of the junction.
3.15 With the exceptions mentioned in para 3.22, the Give Way marking is intended for use at all junctions other than those which are controlled by
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