Doing the math:

• 100km/h is ~1.6km/minute
• Assuming they place the cameras 10km apart then it should take you a little under 6 minutes to get between the 2 points.
• If you've got there fast enough you have to wait 5 minutes to not be over the average limit, then you were travelling 10km/minute or 600km/h, and yeah, probably should pull over and take a few deep breaths

No one who is going to baulk at this as an attack on their "right" to speed is going to stop to average it out.

Stopping is even more anathema to them than driving under the limit.

They'll just whine about it being "bullshit" to the rest of their mates.

You could, but you will likely remember what the limit is next time.

The idea I think is for people who "normally" drive at 10 or 20kph above the speed limit, encouraging them to normally drive at the speed limit instead.

I guess we also don't know the threshold (1kph over probably won't get you a ticket, but will 5kph?)

I remember them in the UK when we visited as long ago as 2012. My main recollection was that they seemed very effective at causing you to think very carefully about your speed, because in a long line of traffic nobody wants to be the person who drives extra slow to make up for accidentally going too fast a few seconds earlier.

I'm curious to know the reasons for them apparently being hated.

That assumes they're actually making a mistake, instead of habitually driving too damn fast because they think they're more in control than physics is.

I think it's more likely to lead to people slowing down and not doing stuff like weaving in and out of traffic so they can keep going fast.

Whenever I feel like traffic is moving too slowly for me, I think about how long it would take me to walk instead. And then I chill out and enjoy my private climate controlled capsule and maybe turn up my music.

I would take trains if there were reliable services between cities I want to travel between.

If this happens in my lifetime I'd be stoked.

I just want to add that viable alternatives to driving means that those who don't want to drive, or are unable to drive, or who should not be driving, they then do not have to drive.

The people who scraped through and eventually passed the driving test, but even after a number of years driving are barely competent then don't need to be driving.

When driving isn't necessary for personal mobility, then the licensing and testing can be much stricter, or, as strict as necessary for safety without as much backlash.

This. This this this this this

Realistically, most cars these days have cruise control. If your car doesn't, the car in front of you (or in front of them) probably does. So it's unlikely you'll be unable to get the speed right.

A much harder thing is the mental hurdle of driving at a speed lower than it seems the road can handle (because our assessment is based on everything going right).

Since NZ is almost certainly modeling off overseas implementation, I'm curious; do you know if there's a threshold, like if the average works out to be 1kph over the limit, do you get a ticket?