This is the upper track plan. As stated the railroad is not a double deck railroad
in the true since, but it does climb above itself in places. If you study the previous
main plan, in the Salt Lake area you can see that the track enters the room through
a tunnel under Spring Garden (A) and circles the room above ( not shown ) the lower
track to (A) and then enters Cliffside on the way to Salt Lake.
All upper track is really just running track, no work is performed on the upper