Roads are made from asphalt and not concrete because asphalt is cheaper to install and maintain. The time needed to install asphalt is considerably less than concrete. Asphalt roads provide a safer driving surface with more grip as well.
Why aren't all roads made of concrete? - Quora
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Why are some roads made with concrete and some with asphalt? - Quora
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Why are some roads made with concrete and some with asphalt? - Quora
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Why Are Roads Made of Asphalt and Not Concrete? - BuilderSpace
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Why are some roads made with concrete and some with asphalt? - Quora
Why are some roads made with concrete and some with asphalt? - Quora
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