What would you prefer? That some people drive slightly over the speed limit? Or a spot where people suddenly slam on the brakes to avoid getting a ticket, endangering those who might be behind them with their sudden change of speed?
Because the latter is what these devices tend to do.
Show me evidences that they increase accidents please, I’ve provided two sources showing they work in another comment, surely you can provide one that they cause accidents.
What would you prefer? That some people drive slightly over the speed limit? Or a spot where people suddenly slam on the brakes to avoid getting a ticket, endangering those who might be behind them with their sudden change of speed?
Because the latter is what these devices tend to do.
Show me evidences that they increase accidents please, I’ve provided two sources showing they work in another comment, surely you can provide one that they cause accidents.