There was a similar threat of prosecution a few years back when someone put up a sign alerting motorist's to a speed trap............which the police are required to do anyway. If the camera partnership has to put up a sign warning motorist's of a camera and it gets motorist's to slow down they have done their job, if I put up a sign to warn motorist's I am 'obstructing justice'............go figure.

By the way this is not a rant aimed at the police or even at scamera partnerships-just at the bloody stupid way the law is enforced in this police state of dear Tony's.
John