dug 
<a title=”Vaguely live map of trains in the United Kingdom”http://flickr.com/photos/fidothe/267036820/in/photostream/”>Vaguely live map of trains in the United Kingdom</a>
Follow the link, switch the station to “London Paddington” and the train speed to “move trains 10x normal speed” and woooo…
And while you’re at it, enjoy a satelite picture of the area you’re interested in…
via geekdinner