Old rail being taken up from the left, new rail being threaded in at the right. Tie clips to be installed next.
At the time, I was under the impression the south main would be worked on in 2010: as of this summer it is still the traditional wood ties. Perhaps Union Pacific are having second thoughts about concrete ties, which are supposed to be good for a quarter century. There have been several summer campaigns replacing broken concrete ties in the past few years.
Meanwhile, here's today's German compound word, describing their version of a track renewal train.
Retrieved from The Isoblog.
That's simply the MGW ballast cleaning machine, it being the Continental custom to take up, screen, and replace the ballast, rather than scooping a lot of it out and putting down new ballast once the ties and rails are in place. The MGW source some equipment from Kirow Leipzig, for today's Cold War reference.