Posted by KenW on Friday, May 20, 2005 at 2:21PM :
In Reply to: Go ahead 100ft, up 6ft = 6% posted by chriscase on Friday, May 20, 2005 at 12:53PM :
Chris has the ratio correct. The steepest grade I have been on is the road into the Waipio Valley on the Big Island of Hawaii. The average is 25% with sections approaching 45%. Not for the faint of heart and definitely not for 2WD.
KenW