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Is it illegal to warn about speed cameras?
Q
I was intrigued to read in Issue 701 (page 45) that Google Maps lets drivers warn other motorists about police presence. Most of the options seem fine, but I believe the ‘Mobile speed camera’ option may be illegal. Traditionally, this has involved drivers using their horn or flashing their lights to warn about police activity. This is illegal under section 89 of the Police Act 1997, and can lead to a fine of up to £1,000. Can you clarify please?
Graham Rice
A You’re correct about section 89 of the Police Act 1997, which cites “giving a warning to other motorists of a police speed trap ahead” as an example of the criminal offence caused when an individual “wilfully obstructs a constable in the execution of their duty”.