Was on the NJ parkway and was wondering, why it’s not smooth. The roads pavement kept alternating between a smooth asphalt to a rougher substance, probably concrete. Maybe I’m using the wrong term but I’m curious.
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It depends on the nature of the roadway (highway or interstate for instance), but generally speaking they’re a cooperative effort between different levels of government and as such different municipalities/counties/states will use different contracts among different entities who themselves may use different materials. And in a lot of cases, the materials may be more suited to their environment (or just cheaper).
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