All anecdotal though, I’m sure the insurance numbers don’t lie, there must be many factors at play. I live in a dense urban area, so maybe there are locale specific effects.
In my observation the standard deviation from mean and median speed has definitely increased but the number of discourteous interactions between drivers has sharply decreased. People are driving 60 in a 40 and 40 in a 60, taking exits from the left lane and passing people in the right lane. These would be inappropriate moves if the roads had the usual congestion on them but with the reduction in volume nobody seems to be inconveniencing anybody else (or causing close calls) so I guess it's fine.
The usual weavers were rocketing across all lanes, suddenly unimpeded by the usual dense line of cars. But you still had the occasional slowpoke traveling waaaay below the prevailing speed of traffic.
It was freaky to watch as the clock ticked over to 5:00 while rolling along the I-5 downtown at full speed. But it was also necessary to stay on alert because there were so many terrible drivers out and about.
Empty roads encourage speeding. Similar to how traffic can be slowed down by making narrower roads
Maybe they’re just easier to spot now?