> Couldn't the capacity issue be somewhat mitigated by stacking tubes vertically Significantly increased costs > and/or increasing the tube diameter? Immeasu

> Couldn't the capacity issue be somewhat mitigated by stacking tubes vertically Significantly increased costs > and/or increasing the tube diameter? Immeasurably increased costs. Because hyperloop already operates on the idea of operating in vacuum. So let's say you have a 10-kilometer tube that you need to keep in vacuum and you want to increase its diameter...