Gatso gaffe rebate row.
The original paperwork for the Gatso bore the name Seatown Road to mark out a 30mph zone.
But though locals in Chideock, Dorset, use the title, the highway is officially called Duck Street.
And lorry driver Alan Dawe, 52, who won a court appeal because of the error, said yesterday: "Any drivers caught should challenge."
The speed trap is now legal but there have been about 25,000 prosecutions since 1997, admit police.