Besides the "cool" factor, why do you need to move sideways?<br>People can and should walk a few hundred feet to where they're going, the elevator is to help avoid 20-40 flights of stairs which is dangerous for everyone.<br>The added cost vs benefit seems rather dubious.,(reply>), I think this is for multiple cars per shaft and big buildings with a lot of shafts with cant go all the way.<br>So you have more transportation on less space (Area), with is really a concern for high buildings