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View Diary: All Infrastructure Is Not Created Equal (284 comments)

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  •  A couple of issues here with concrete roads (1+ / 0-)
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    Joon

    Concrete is not very amenable to freeze-thaw cycles here in the north where there is a lot of snow and ice and is quickly degraded by road salt. Furthermore, it is still an impervious surface that causes runoff and flooding, and encouraging more large trucks is not something we want to do with global warming and doubts about future oil supply. We want more transport to go to electrified rail instead. Also, rail beds are pervious, and a lot more passenger traffic and freight tonnage can be moved a lot more efficiently.

    Vegetation that would be brought back since rail infrastructure takes up a lot less space would do a lot to soak up the excessive greenhouse gases.

    "Without our playstations, we are a third world nation"-Ani DiFranco

    by NoMoreLies on Sun Dec 21, 2008 at 12:23:28 PM PST

    [ Parent ]

    •  NoMore (0+ / 0-)

      you sound like you might be a LEED AP.  Are you?

      A nickel ain't worth a dime anymore. -Yogi Berra

      by Joon on Sun Dec 21, 2008 at 12:49:58 PM PST

      [ Parent ]

      •  Nope, just a largely self-taught (0+ / 0-)

        ecological professional and advocate, and keen observer of the vegetation and changes in the environment in the vein of Aldo Leopold. I have noticed that the native vegetation holds up a heck of a lot better near the 150-175 year old rail rights of way here in the Chicago region than it does near roads, what with the salt runoff and the amount of nitrogen inputs from the roads and car exhausts themselves.

        "Without our playstations, we are a third world nation"-Ani DiFranco

        by NoMoreLies on Sun Dec 21, 2008 at 05:42:57 PM PST

        [ Parent ]

    •  If You Want To Be Environmentally Correct (0+ / 0-)

      then yes, we should prefer rail over roads.

      But come on.  Do you really expect the auto to disappear or disappear overnight?

      Both asphalt and concrete are impervious.  I am merely trying to advocate a constructive alternative (no pun intended).

      I have not heard of salt limiting concrete life.  I will check into it.

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