And posted speed limits are for normal conditions, not raining/snowing/windy, etc.
You CAN get ticketed for speeding even while going the speed limit if the weather is bad enough.
And what happens in construction zones?
What happens when the car’s AI is confronted with a split second decision making moment, and it must choose between steering in a manner qhich will injure or kill you. The solo driver or injure or kill multiple others in a 2 vehicle collision? Does it balance to potential losses and decide? Are there 3 laws of robotics operating here?