A pavement rating system for low-volume asphalt roads uses visual assessment of defects (like cracking, rutting, raveling) and their severity/extent to assign a numerical score, providing a simple, cost-effective way for local agencies to prioritize maintenance, with methods like Asphalt PASER (Pavement Surface Evaluation and Rating) and PCI (Pavement Condition Index) being common, focusing on condition, ride, and budget planning. These systems translate subjective engineer/foreman experience into actionable data for maintenance planning, often by summing weighted distress scores to get an overall condition index.

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