Awesomeness! Go to Amtrak.com, select the track a train tab on the bottom right... http://www.zdnet.com/amtrak-hops-on-google-maps-engine-for-interactive-locator-map-7000021344/
Interesting when I follow view that linked article, the photo appears to be King Street in Seattle. I can see where this will be very interesting. Next time I go my train and they are late, I won't need to ask, then wonder if the answer is accurate. Perhaps some day they can equip larger stations with tracking screens, which any passenger can simply glance and see...