Former colors for my billboard model were a total guess. Then I got the bright idea to use an online AI Colorizer to try and recreate the scene.

These colors are the results (along with some other tweaks).

A route for Trainz 2019
Former colors for my billboard model were a total guess. Then I got the bright idea to use an online AI Colorizer to try and recreate the scene.
These colors are the results (along with some other tweaks).