When a supplementary panel showing a distance in meters is placed below a warning sign, what does it tell us?

Question

DentroTest · Accepted Answer

Supplementary panel S-800 indicates the distance between the vertical sign and the exact point where the danger or the corresponding regulation begins. For example, a figure of '150 m' without arrows warns that the risk will begin 150 meters ahead, not where it ends. By contrast, panel S-810 indicates the length of the section over which the danger or the regulation extends, which is why presenting the figure as the extent of the section is incorrect.

When a supplementary panel showing a distance in meters is placed below a warning sign, what does it tell us?

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