So it isn't troublesome that they took a page right out of the c&uw playbook and did a post on the bridge and tunnel. For those who need a refresher: bridge / tunnel .
Click here for the bldgblog post.
C&UW would be a pretty boring weblog site if not for the pictures stolen from other sources. So, to compliment the above, and with the admission that with a few pretty simple clickthroughs you could find the same on your own:
|an American tunnel|