I've often thought about the impetus for creating the Interstate Highway System under Eisenhower. I think about it every time I go on a road trip. That must have cost a fortune in materials and labor. Now consider how much we spend on maintenance on these roadways. Don't get me wrong, the Interstate system is amazing but is there a better way and if so, who would pay for it? Here is one alternative.
http://techcrunch.com/2014/05/25/the-crazy-genius-behind-solar-roadways/
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