IMHO, roads around the Pugeot Sound have a fairly rough texture, which causes most of the road noise. Compared to other states I've driven in the stuff in WA could be a lot better. Supposedly there is an upcoming I5 project to use a form of rubber asphalt, but who knows when that will happen. It's the same stuff they put on 520 a couple years ago, which was then promptly torn up by snow chains.
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