2020 tracks are all available on steam...go to rFactor 2 workshop and search for them and then subscribe.
...this is the URL - open it in steam or use your browser to confirm the details etc https://steamcommunity.com/profiles...vuJUT1Y2JZ0MjI9BgzFWlo9wobhsc3iCs1DrLBoLHhka8 ...and as a Kiwi, I can honestly say the tracks are very nicely done and excellent quality. I've seen a couple of minor complaints about accuracy, but the two tracks that I have ridden in real life are pretty damn good in my opinion.