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Unimproved Streets are streets with soil, gravel, or asphalt mat surfaces, have not been structurally <br />designed,and no curbs orgutters. Typically, an unimproved street must be fully improved through a <br />LID, and funded in part by the abutting property owners before a higher level of service will be <br />provided ( <br />maintenance service). These streets receive a low level of ongoing maintenance,limited primarily to <br />emergency pothole patching (three inches or greater in depth),and minimal roadside ditch <br />maintenance.To address the deterioration of these streets,Public Works is currently allocating <br />$375,000 annually from the Road Fund for the Enhanced Street Repair Program. Since 2008, 119 <br />unimproved streets,totaling 48lane miles,have been resurfaced as a temporary treatment. In <br />addition, several unimproved streets have been upgraded to engineered street standards through <br />assessment projects. <br />The following table (Table 1) categorizes em in <br />centerline miles and 12-foot lane-miles by pavement type and by functional class. <br />Table 1 Miles and Lane Miles of Street System by Classification and Pavement Type <br />*Note: 2018 ODOT Right-of-Way transfers not included. <br />4 <br />May 29, 2019, Work Session - Item B <br /> <br />