> Drivers knowing that they will get away with mowing down a pedestrian so long as they say they didn't see them is also going to encourage dangerous driving.

> Drivers knowing that they will get away with mowing down a pedestrian so long as they say they didn't see them is also going to encourage dangerous driving. This is silly. Nobody thinks this. ”Mowing down a pedestrian”, even if one has a perfect legal defense, would be incredibly traumatic even for the driver. Traffic rules ought to be engineered with practicality (physics, the limits of human cognition and visual perception, etc.) paramount.