The mysterious sign, which puzzled the reader in last week’s Journal, is a height restriction sign.
It is mainly used at car parks to stop motor homes or high vehicles, also some low bridges to warn lorry drivers of the clearance for their trailer. The height restriction in the picture is two metres. If the triangles were side by side, it would be width restriction.
John Whyte
Exmouth.
Editor’s note: thank you to the many other writers on this topic.
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