Come to the Bay Area, and Ill take ya up something steeper. Just under 19% and it is over a mile. It can be done on a standard double too. If ya really want to do more the road continues on after a brief tenth of a mile break.
http://actc.org/profiles/index.php
The continuation is not on there. Yes down is much scarier on this road.
What the heck, I totally missed the 26%. lol