I think driving 10-20% slower than the posted speed limit at night is completely sane. In Colorado we have some rural highways that are double posted with lower

I think driving 10-20% slower than the posted speed limit at night is completely sane. In Colorado we have some rural highways that are double posted with lower speed limits at night. If AI cannot make identical collision avoidance guarantees at night and during the day, then it should be law that they self limit their speed below the posted speed limit until there is separation parity.