Perhaps on a 30 mph residential street in light traffic. Screeching halts have a different effect at higher speeds in denser traffic. People would be less like

Perhaps on a 30 mph residential street in light traffic. Screeching halts have a different effect at higher speeds in denser traffic. People would be less likely to slam on the brakes for a trash bag on the freeway. But either way it is a dangerous, controversial, split second, human risk calculation. I can't say how I would handle it in advance, much less how a robot car should be programmed to handle ambiguous inputs at highway speed.