There was a third rail made for Trainz, and I haven't slapped it onto these tracks as of yet. I'll move on with the development before I add any of the photo objects you saw above.
I've renamed Grand Central Parkway to Astoria Boulevard. It's obvious that you can't get out at the parkway, but I will be incorporating the I-278 logo onto the beam signs anyway.
Astoria Boulevard walls complete:
BStyles