http://railworksamerica.com/index.php/download-library/engine-repaints?view=document&id=3689:amtrak-p42dc-upgrade-pack&catid=18:engine-repaints
So, now you can have a matching train set:

You can download this upgrade here:
http://railworksamerica.com/index.php/download-library/rolling-stock-repaints?view=document&id=3692:amtrak-superliner-texture-upgrade-phase-ivb&catid=19:rolling-stock-repaints
You can see it in action here:
https://youtu.be/3O0saBMu3Mc
Installation:
- 1. Using File Explorer, go to the folder located here:
C:\Program Files (x86)\Steam\steamapps\common\RailWorks\Assets\RSC\P42Pack01
2. Drop the RailVehicles folder from this pack into the folder you just opened.
3. Run Train Simulator to verify that the textures work.
I really recommend you install these audio upgrades:
1. Superliner and Surfliner Sound Set
http://railworksamerica.com/index.php/download-library/sounds-enhancements?view=document&id=2206:superliner-and-surfliner-sound-set-beta-v0-1&catid=25:sounds
2. OpenRailer90 Superliner/Surfliner Drag drop Replacement Sounds
http://railworksamerica.com/index.php/download-library/sounds-enhancements?view=document&id=2995:openrailer90-superliner-surfliner-replacement-sounds&catid=25:sounds
These cars should now sound like a real train.
ENJOY!!!
