I Apologies for my mess ups here. It's been awhile and seem to have forgotten how. LOL. Here's a repacked zip of Riverside,should go to your Locations folder now.
I installed it and tried it on different GTR2 Installs but it doesn't look like the one on your Screenshots. Besides it stutters like hell.
I have the one from Assetto Corsa and that is great.
But the GTR2 version doesn't run great for me.
not sure what it my be, there is a lot of polygons in this track and I tried to reduce as many as I could just to get it to work on my PC. I have a very old PC still running XP and I find if I have more than 10 cars on the track I get major lag. ?