These went up on tuesday and thursday on my way to and from Seattle.
For the best signhanging spots in Seattle, go here.
For the best signhanging spots in Portland, go just about anywhere. Portland is without a doubt the best city for guerrilla signposting on the west coast: hundreds of miles of freeways surrounded by fencing that's impossible to get to.
How to attach signs to fencing: Place cardboard against fence, strap some bungee cords across it, walk away.
For more pictures and info go to Freewayblogger.com
Signs Posted YTD - 403