Ohhh yeah. Thats the stuff!
My only recommendation might be to use a black wash a bit more on the tunnel motor grills to really darken them up. But that's a minor preference thing.
This is really pretty.
You know, I have a feeling that
@Rudy Garbely might enjoy a quick write up on it for the CRHS's Conrail Quarterly. We're always looking for modeling content.