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(1): I used the maximum speed of the whole relation to see how balanced or effective those investments were. I didn't even know about 250 to Cordoba or 200 to Sevilla. Being a neophyte I wonder whether it makes sense to build 300-250-200 instead of building 250 uniformly for example. Did they do it for capacity reasons? Was it easier? The point was to get beyond the max speed fetish.

(2) + (3): "Design speed" is a bit confusing here. I took whatever was the maximum e.g. the 380 on Beijing-Shanghai, or whatever is currently allowed on the older HS lines - didn't know they had been upgraded/up-permitted. I should change that to "maximum speed currently allowed by authorities". Though, aside from economic reasons (e.g. less curvy = less maintenance), why build for 350-380 in the first place? If they up-permit it later then maybe using maximum design speed is not so wrong.

I will correct those numbers later.

Schengen is toast!

by epochepoque on Sun Jul 17th, 2011 at 11:52:52 AM EST
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