A safety sign for private level crossings in the UK, requiring people traveling with flocks of animals such as sheep or cows, to contact the signaller before crossing. Animals can take an unusually long time to cross and can't clear the crossing quickly.
This sign is theoretical, as 1996 regulations used the term "crossing operator" instead of signaller, the successor term for "signalman", found on older signs.
Drawn according to The Private Crossings (Signs and Barriers) Regulations 1996 and RSSB standards.
UK Government
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