> If you just started with properly painted lines, always-functioning traffic signals, and correct street signs, autonomous driving would be much, much easier t

> If you just started with properly painted lines, always-functioning traffic signals, and correct street signs, autonomous driving would be much, much easier than it is now. If you had this, driving period would be safer, automated or not. And that's before getting into inclement weather conditions where, say, lines or signage may not be visible.