Assume that laws gave people the expectation that they could just step out in front of a 3,500 pound moving vehicle and it would instantly stop. The world would

Assume that laws gave people the expectation that they could just step out in front of a 3,500 pound moving vehicle and it would instantly stop. The world would probably be a lot less safe for pedestrians than it is today. The laws of physics come into play to at least some extent.