> I am of the opinion that the following are all reasonable

I'm not. Tolls are fine since the "enforcement" there is of a known cost that you have to pay to use the road.

But I don't think speeding laws, or indeed any traffic laws that allow people to be fined or punished just because they broke some administrative rule, should exist at all as they exist now, let alone be enforced by automated cameras.

Even with cameras, it's obvious to anyone who drives that such laws are not even close to being actually enforceable as they're written. Raise your hand if you've gone faster than the posted speed limit on a US road, along with probably 95 percent or so of all the other cars on that road. Raise your other hand if you've not come to a complete stop at a stop sign because you can see that there are no other cars coming. And so on.

Such laws should not exist because "enforcement" becomes an arms race between the police and the citizen. It would be better to get rid of them and make things like speed limit signs, etc., advisory--you can't be ticketed just for not obeying them, but if you get in an accident and it's found that you weren't obeying a sign, you're presumed to be at fault. Then this whole issue would evaporate. The cameras could still be there--and their footage would be admissible evidence in any dispute about an actual accident. But they couldn't just trigger an automated ticket to be sent to you if no accident took place.