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215 <br />that the methodology developed for this pavement condition index software used <br />216 <br />nation -wide data, with adjustments to the Roseville deterioration curves made <br />217 <br />over time based on our data sets. Mr. Schwartz advised that this program had <br />218 <br />been used by the City since the 1980's, and the local data suggest that the city's <br />219 <br />pavement life averages better than nationwide data. <br />220 <br />221 <br />Specific to the surface deterioration dilemma, Chair Vanderwall questioned how <br />222 <br />confident staff was that the current projects were not experiencing the same issues <br />223 <br />and problems with materials and premature deterioration of pavement conditions. <br />224 <br />225 <br />Mr. Schwartz advised that the information was not available, but staff was <br />226 <br />considering designating some control areas to determine how they perform, up to <br />227 <br />the time they would typically be scheduled for mill and overlay. <br />228 <br />Page 6 of 12 <br />