5.6 The horizontal route arm extends to a point two thirds along the length of the destination block (tiles or panel) as shown in figure 5-2. The measurement should be based on the longest block associated with a particular direction, but see paras 5.39, 5.63, 5.71 and 11.17 for exceptions.
5.7 Where a map type sign indicates destinations both to the left and to the right, the vertical route symbol will generally be in the central part of the sign. The associated destination block will be centred horizontally above the route symbol. Where destinations are indicated to the left or to the right, but not in both directions, the vertical route symbol will be placed adjacent to the appropriate side border. Figure 5-3 shows the appropriate dimensions for positioning the route symbol and the associated forward destination block. When the route symbol is on the right hand side of the sign, it may be possible to tuck the symbol into a multi-line legend as shown.
INCLINED ROUTE ARMS
5.8 In most cases the vertical or horizontal space between an inclined route arm and any type of legend is 2.5sw. This is reduced to 1.5sw when a tiled legend is placed directly above the route arm. Examples are given in figure 5-4.
5.9 With some arrangements it may be possible to tuck the route arm into the legend as shown in figure 5-4.
5.10 For an upward pointing route arm less than 15° from the vertical, the dimensions associated with a vertical arm may be adopted
5.11 Where a panel has a cut-out, this must only be sufficient to allow the route arm to tuck in. The outer edge of the panel will not necessarily follow the outline of the tiled legend (see figure 5-4).
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