[4X4]

My own driving habits: when driving through a playground zone that's known for multanova enforcement, once I spot one, I'm constantly staring at my speedometer and using peripheral vision to keep my ride going straight.
When driving through a playground zone that's known for police enforcement, I get my truck down to 30 and constantly scan the area (I admit, for cops and kids), and glance down periodically to make sure I haven't drifted up to 35.

Tell me which is better for public safety? And then apply it to intersections. If you are going through an intersection that you know has a photo radar up on a pole, are you going to be doing the usual intersection scan or are you going to be staring at your speedometer?

I think this scheme is bogus. This has nothing to do with safety and everything to do with taxing people that drive the road instead of constantly driving a bit under the limit to make sure they never get a ticket.
There's no way you can convince me that going 60 through a light on, say, Elbow Dr, on a sunny afternoon is more dangerous than going 45, but constantly staring at the dashboard instead of observing the intersection and the dozens of possible dangers.

Case and point: which is more dangerous to you: a guy going 60 in a 50 and scanning the area for cops and kids, or a dum dum going 40 in a 50 and texting? I know you've all seen the idiot text-drivers that are going under the limit and jerking back and forth to keep their car straight every few letters. Just as distracted as someone staring at the dash.