Here is a link to a current event, in NC, where it looks like a semi has crossed carriageways into oncoming vehicle.
Its a video from a news camera on a helo, pretty long.
http://www.cnn.com/video/live/live.html?stream=stream2

Location: London UK

May work better from this link
http://www.cnn.com/
Look for cars trapped under burning truck

Location: London UK

That's my neck of the woods. Here's some info. and links:

http://www.legeros.com/ralwake/photos/weblog/pivot/entry.php?id=1032

mjl

Location: Raleigh, NC, USA, Earth