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20 Rating pavement surface condition <br /> T Block cracking with open cracks. <br /> FAIR ., <br /> Preservative maintenance r - <br /> treatment required <br /> Roads are still in good structural <br /> condition but clearly need sealcoating <br /> or overlay. They may have moderate �� • ' <br /> '' <br /> to severe surface raveling with signifi- _ ' rl- <br /> -P. ti r� <br /> cant loss of aggregate. First signs of - # <br /> longitudinal cracks near the edge. <br /> First signs of raveling along cracks. <br /> Block cracking up to 50% of surface. <br /> J- <br /> Extensive to severe flushing or <br /> polishing. Any patches or edge r . <br /> wedges are in good condition. <br /> IF <br /> Jl- <br /> L <br /> Moderate to <br /> severe raveling in _ •, <br /> wheel paths. <br /> i 1 <br /> 10 <br /> 16 <br /> Severe flushing. <br /> ,a <br /> k <br /> A Wedges and patches extensive <br /> but in good condition. <br />