Polymer-Modified Asphalt (PMA) significantly reduces pavement distress like rutting, fatigue cracking, and thermal cracking, extending pavement service life by years (often 3-10 years) compared to conventional asphalt, as quantified by studies from the Asphalt Institute and state DOTs. Quantification involves field data analysis and mechanistic-empirical (M-E) modeling, showing PMA's superior resistance to deformation and cracking, leading to lower lifecycle costs despite higher initial material costs, making it beneficial for high-traffic roads.

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