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PROHIBITION OF TRAFFIC
5.4 An alternative to incorporating a prohibitory sign in a directional sign is to use a sign to diagram 818.3 or 818.4. In many cases this can reduce the overall size of an advance direction sign as shown in figure 5-1 and should be considered where sign overload is likely to occur.
Single sign: This can be very large and might be difficult to site where there is limited verge width
Two signs: These can provide a more compact arrangement. The sign to diagram 87 8.3 or 87 8.4 should be sited upstream of the advance direction sign for the junction
Figure 5-1 Alternative methods of indicating a restriction on a road at a junction ahead
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