This will cause traffic slow downs

That’s literally the point.

Especially since they won’t be able to make older cars follow this.

One interesting about speeding in traffic. Often you’re rushing just to stop.

It’s been proven that if you cap the max speed in heavy traffic everyone gets through it faster. Less stop and go with merges and guesses.

Think of all the times someone sped up to prevent you from changing lanes? Or someone blocks you during a zipper merge.

Traffic wouldn’t suck as much if people didn’t suck. I can’t wait until a few decades from now we’ve got AI cars Managing it for us.