And how it already operates with a shift system, since driving heavy machinery full of people around cities for more than six hours a day is rather dangerous, b

And how it already operates with a shift system, since driving heavy machinery full of people around cities for more than six hours a day is rather dangerous, but people like to be able to get around all day. All drivers get two days a week off, one of them being their preference for Friday/Saturday/Sunday and the other not.