Yup, but they will be needed to keep vehicles A) out of the riverbed on the west side of the track, B) as a barrier to keep vehicles that may leave one part of the track from having any chance of crossing another part of the track and C) to line the outside of the corner worker stations.

We are still working on the run-off areas in a few places, we knew that no matter what was visualized and drawn a lot of the final product would be created by simply standing on the track and looking at the turns.