It’s great that Grain Valley has changed the ordinance on speed traps that the Kansas City suburb had, enabling police to ticket drivers for flashing their lights to warn other motorists.
That practice is a basic courtesy of the road, and parents often teach it to new teenage drivers as much as they try to get kids to be skilled at parallel parking. Of course it took a lawsuit by a motorist snared by the cops to force the change. You can thank the American Civil Liberties Union for filing the suit last week, saying the ordinance was unconstitutional.
City officials deleted the phrase that made it an offense for one driver to alert others that a speed trap was in place so cops could pounce on lead-footed travelers.
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