Here is one angle: https://pedestrianobservations.com/2019/08/31/stuttgart-21s-impending-capacity-problems-and-timed-connections/ https://pedestrianobservations

Here is one angle: https://pedestrianobservations.com/2019/08/31/stuttgart-21s-impending-capacity-problems-and-timed-connections/ https://pedestrianobservations.com/2019/08/31/stuttgart-21s-... In short, it's very expensive and it will quickly reach peak capacity and need expansion.