Work seems to progress slowly. I think I've reached this 80:20 point, where the remaining 20% of the work take up 80% of the total time...
Anyway, here are a few pictures of the more remarkable details.
Added marker posts to the roadsides. These are not entirely compliant with the StVO, but I don't really care. I'll probably add a speed limit sign with a few bullet holes as well.

Next is a small fuel tank made from the Platformer Chemical Plant set. Incredibly versatile, this stuff. My son used it to built some space ships and a mechanical elephant while I only built a boring tank

Built pretty much out of the box, with just a few details added:

And finally a close-up of the birch seed scatter for dijit:
