Going backwards, you'd always want to stop (little Timmy ran behind the car in the driveway). Going forward, outside of unrealistic hypotheticals, I think you a

Going backwards, you'd always want to stop (little Timmy ran behind the car in the driveway). Going forward, outside of unrealistic hypotheticals, I think you always want to stop. How many pedestrians get hit walking across the street because somebody turning a corner didn't see them?