The two major issues with asphalt roadways are their lifespan and their vulnerability to weather and temperature. The optimum lifespan of an asphalt road is about 25 years and that is dependent on a large variety of factors. In the Northern United States, this lifespan could substantially less, 15 to 20 years. One of the largest frustrations with our current road systems is the time it takes to build and resurface roadways. Many of the solutions proposed are costly and un-sustainable.
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