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Preservative treatment required <br />Roads are still in good structural condition but dearly need sealcoating <br />moderate to severe surface ravelling with significant loss of aggregate. <br />near the edge. First signs of ravelling along cracks. Block cracking up <br />severe flushing or polishing. Any patches or edge wedges are in good <br />Block cracking <br />Moderate Ravelling <br />Ravelling is extensive with block <br />cracking. Slight crack ravelling <br />or overlay. They may have <br />First signs of longitudinal cracks <br />to 50% of surface. Extensive to <br />condition. <br />Page 61 <br />