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3.0 Pavement Network <br />City of Santa Ana 2024 Pavement Management Program 3-3-8 <br />Table 3-4 shows the breakdown of PCI distribution of the entire pavement network, and the arterial <br />and local pavement networks individually, based on area and section mileage. <br />Table 3-4: PCI Distribution <br /> <br />The pavement condition is generally measured by a weighted index (typically by area), referred <br />to as Average Area-Weighted Pavement Condition Index (PCIaw), which is determined as follows: <br /> <br />Where, <br /> <br />PCIaw = Average area-weighted PCI <br />PCIi = PCI of pavement section number i <br />Ai = Area of section number i <br />n = Total number of pavement sections <br /> <br />Based on the formula above, the City’s current entire pavement network is in “Good” condition <br />with a PCIaw of 76.3. <br /> <br /> <br />