Do you know about Track View?

In world editor, press the space bar to cycle through the following modes (these are the modes in TS2016, circumstantial evidence indicates that older versions may not have ALL of these modes. Either that or the documentation was incomplete.):
Personally, I found out about this by accident, and when I tried it I had no idea what I was looking at, so I hope this might help others.
- Line Type (Yard, Main, etc.)
- Line Direction
- Line Speed
- Track Sound
- Electrification (Different graphic for overhead, 3rd and 4th rail)
- Super-Elevation
- Unevenness
- Linked objects (signals, fuel points, etc.)
- Normal Render (back to "normal")
Personally, I found out about this by accident, and when I tried it I had no idea what I was looking at, so I hope this might help others.