Not the fog shots I had hoped for but I decided to think outside of the box a little bit and grabbed these:
After getting into position and waiting a short time I was able to catch the BN/CP transfer heading towards the bluff.
http://www.flickr.com/photos/johnfladung/3342536621/After waiting around on the overpass for a bit and seeing nothing coming or going towards me I decided to move on and try a different spot I hadn't yet been to. A coal train came into view.
http://www.flickr.com/photos/johnfladung/3343371330/DPU:
http://www.flickr.com/photos/johnfladung/3343371466/I also experimented with some panning shots but nothing really turned out. I will try that again soon though. These are not the fog shots I had hoped for with the dense fog we had today. I am, however glad I decided to go out on my day off regardless as it had been a while since I was out railfanning.
Thanks for looking and reading!