Hi!
I haven't ridden this route myself, yet, but Stephen Lord has and he wrote about it on the Bicycle Touring 101 web site.
http://www.bicycletouring101.com/PlacesWestCoastUSA.htm
His route starts in Alaska and ends in Mexico. He does interupt his cycling with a ferry ride so he does miss a bit of your route.
I hope this helps and that you have fun!
~Jamie N
www.bicycletouring101.com