Sign poles

[roadfro]

Nevada uses metal poles almost exclusively. The only exceptions I know of are that sometimes contractors will use wooden poles in work zones.

[kphoger]

Northern BC, anybody?  Home of chain-suspended signs?
http://maps.google.com/?ll=56.100769,-129.27681&spn=0.000191,0.153637&t=m&z=13&vpsrc=6&layer=c&cbll=56.100796,-129.309734&panoid=0JHUs-K08WJU-JhUG9o__g&cbp=12,331.29,,1,2.57

[DaBigE]

WisDOT prefers wood posts, but you will also find square tubing in their standard details as well.  If the state maintains the signs 99% of the time they will be wood posts.  You will find wood post, square tube, and round tube in the spec books, as connecting highways (the section of highway that is within a city jurisdiction) may use what ever the maintaining authority prefers.  The city of Madison prefers round tube, neighboring Sun Prairie prefers square (powder-coated black on main thoroughfares).  The city of West Bend spec'd u-channel many years ago, but has switched to round tube.