The chosen structure of the counter-arguments A, B, C. .. the geographical location of the problem seems no longer useful. I'm thinking about a new structure from the view of rail passengers. Meanwhile, problems with S21 could be organized in the following:
I Security: Where threaten hazards where there is danger?.
Umsteigekomfort II: Here are nenen the problems that result from the main station to a few tracks, and the problem is that there will be two stations at the airport.
III schedule problems Through the many bottlenecks to the DB does not succeed, a stable, to create robust against delay schedule. Here you can classify all the arguments arising from the planned track structure.
But it will take some days until the new structure is. Other
structuring proposals are welcome. There are the - unused so far - comments.
Here is a current link to a flyer about safety, has compiled the information campaign with the participation of engineers to S21:
Stuttgart 21 subway station: "security" is lowercase
(My respect the inventor of the clerical error in the title) 02/11/2011: Here is a publication of transport experts with 10 traffic-related problems and a statement of S21 Plus: link to the passenger
