A'Jet, The degree of difficulty of road versus track is probably an individual aspect of the athlete. You will learn over time how it affects you. For MEA and me, we find that track is a lot harder and the TSS is not relevant. We manually score a higher number for track. And that is not to say the road is easy. To the contrary, it is very difficult but has to be scored differently.
I am happy that you have your track to train and race on.