Highway - Street Symbols/blocks

[slugula]

I'm looking for some free symbols / blocks for Traffic Symbols IE: State Hwy symbol, US HWY symbol, etc... Autodesk apparently has some Sample Symbols but I don't know how to access them & utilize them on my construction drawings.

Any help would be much appreciated!

[ReMark]

Any sample symbols would probably be on a Tool Palette.

[eea123]

Care of Uncle Sam, http://www.fs.fed.us/database/acad/dev/roads/roadscon.htm. I use HM000021.DWG (SIGNS -REC-HIGHWAY) and HM000022.DWG (HIGHWAY SYMBOLS), but the link to the second one seems to be broken. I should have a copy in my archives.