New WIP (Work In Progress): Metro Landscape Painting

I am currently working on an oil painting on an 18 x 24" canvas.  I'm not sure what it will be titled yet, but hopefully I will know soon.  I started it last week, and hopefully will have it done in the next couple of days.  Here's what I have so far:

I know it's hard to see at this early stage, but this painting is actually depicting the Washington DC Metro.  Later I will describe some of my influences, and my whole concept of the painting.  I am really excited about it because it builds on my last painting, "Life, Liberty, and the Pursuit of Prosperity" but goes in a different direction.  I have some really great sketches in preparation for this painting too, so perhaps this is the start of a series...?  I certainly hope so.