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A comment on The US has forgotten how to do infrastructure. Parent comment

Re:The US has forgotten how to do infrastructure by CydeWeys on Wednesday May 31, 2017 @06:07PM (#14456313)
You got any credible sources on that? It sounds like one of those urban legends that people like to repeat. The Eisenhower interstate system was built in a post-nuclear world, and in a post-nuclear world it's hard to imagine there ever being a mainland invasion of the United States. The bombs would be flying before that, and there wouldn't be anything left worth invading (on any side in the conflict). Being able to utterly destroy the other nation and its military forces within minutes by launching thousands of ICBMs is a much more credible plan of war than blowing up some random bridges on your own turf, and indeed that is the logical course of action that we did go down.
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Re:The US has forgotten how to do infrastructure by int_19h on Wednesday May 31, 2017 @09:20PM (#14457239)
I don't know about the bridges specifically, but that the interstate system had an explicit national security purpose is not just well-documented, it's literally right there in the name of the law that created it: National Interstate and Defense Highways Act.
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Re:The US has forgotten how to do infrastructure by CydeWeys on Thursday June 01, 2017 @05:20AM (#14458933)
My issue with the bridge thing is that it's easy enough to blow up bridges, especially as you're retreating from the territory they're in, regardless of their location or construction. It could cost billions of extra construction dollars to unnecessarily site a bridge in anything but its obvious ideal location (e.g. the shortest possible span).
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Re:The US has forgotten how to do infrastructure by lawpoop on Wednesday May 31, 2017 @10:37PM (#14457568)
My understanding was that it was created to mobilize the military and transport resources across the continent, not to make it easy to cut off enemy routes.

But likewise, I have no references either.

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Re:The US has forgotten how to do infrastructure by rangibaby on Wednesday May 31, 2017 @08:04PM (#14456888)
The military purpose of the interstate is moving friendly troops around (logistics).
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Re:The US has forgotten how to do infrastructure by CydeWeys on Thursday June 01, 2017 @05:22AM (#14458936)
Now this is a lot more true, and the military value of having good transportation within the boundaries of your own land has been known since at least Roman times, and likely much farther back.

It doesn't explain the bridge blowing up thing, however.

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