The link won't be high-speed - just a normal speed freight route. What's special is that while Kazakhstan railways have Russian wide gauge, which for now necessitates time, money and work-hour consuming bogie change or reloading, the new line will be normal gauge.

With this line, trains will be able to run directly between Europe and China - and that will greatly accceletate traffic.

(BTW, today there is another gap on the future line: while both Turkey and Iran have normal gauge, there is no line around a big dammed reservoir in Turkey - but before the Kazakh line is finished, that is about to be built, too. Now if only Bush wouldn't bomb Iran in the meantime...)

_{*Lunatic*, n.
One whose delusions are out of fashion.}