that's why you start with bike paths and sidewalks. The main issue for my area is the issue they mentioned in the article. our roads have snow/ice on them for 5-6 months a year.
Might be less skid resistant. They are already starting to plastic for bridge decks, they call it FRP. It's nice for design because it's so light weight. Also a big plus is salt won't deteriorate the plastic as it does in steel or traditional reinforced concrete bridges.
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