Hm, this doesn't really seems to be an attempt to divert passenger traffic from using the planes to some cross-continental HSR. On the other hand, it'd allow China to export much much more goods and much much faster than nowadays with ships [1]. And of course, it would also very much strengthen China's influence in the Middle east and around, as in this area, HSR travel times would be very interesting and provide (in comparison) wonderful connection with China.<p>You wouldn't travel from China to Europe by train even with this, of course. I wonder what would the Russian response be, as they are quite expected to maintain their strong influence in this region, and this isn't exactly going to support that.<p>[1] This is already being done, in a rather small scale.