Interesting, I downloaded that Strahan to Queenstown route as well. Being picky maybe, I found 2 massive flaws. Virtually no roads, and not one single Gum tree! No, no, this just isn't right.... European and north american trees, "shakes head." I have done some work fixing those (to me) major errors, but I have so many projects on the go... Otherwise interesting. For rolling stock you can use QR or NZR items although there are a couple of Tas-rail items.