We can use the third and add highlighted decals to complete the colour scheme. These were template suggestions. I'm glad there is a concensus at all. Don't be afraid to say you don't like any of it if that's how you feel.
Here is a normal map test on a low poly version of the track:
There is still an error here and there but I believe this part of the process is going well. I will be finalizing the optimized geometry soon. This example clocks in at 76 triangles. Jackobeast may also be providing examples. We will decide which one is best and use that one.