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EXHIBIT A <br />Table 1 <br />VMT Impact Thresholds <br />Methods <br />Project Threshold <br />Cumulative Threshold <br />Land Use Plans (such as General Plans and Specific Plans) <br />• Orange County Traffic Analysis <br />A significant impact would <br />A significant impact would occur <br />Model (OCTAM) forecast of <br />occur if the project VMT/SP <br />if the project caused total daily <br />total daily VMT/SP. <br />(for the land use plan) <br />VMT within the City to be higher <br />- To capture project effect, <br />exceeds 15% below the <br />than the no project alternative <br />the same cumulative year <br />Countywide average. <br />under cumulative conditions. <br />population and <br />employment growth totals <br />should be used. The <br />'project' only influences <br />land use allocation. <br />• Consistency check with SCAG <br />NA <br />A significant impact would occur <br />RTP/SCS. <br />if the project is determined to be <br />- Is the proposed project <br />inconsistent with the RTP/SCS. <br />within the growth <br />projections in the <br />RTP/SCS? <br />Land Use Projects <br />• Transit Priority Area (TPA) <br />Presumed less than significant <br />Project presumption applies <br />screening. <br />VMT impact for projects <br />under cumulative conditions as <br />located in TPAs. <br />long as project is consistent with <br />SCAG RTP/SCS. <br />• Low VMT area screening. <br />Presumed less than significant <br />Project presumption applies <br />VMT impact for projects <br />under cumulative conditions as <br />located in low VMT generating <br />long as project is consistent with <br />model traffic analysis zones <br />SCAG RTP/SCS. <br />(TAZs). These TAZs generate <br />total daily VMT/SP that is 15% <br />less than the baseline level for <br />the County. <br />• Project type screening. <br />Local serving retail projects <br />Project presumption applies <br />(Per OPR's Technical <br />under cumulative conditions as <br />Advisory less than 50,000 <br />long as project is consistent with <br />square feet) and neighborhood <br />SCAG RTP/SCS. <br />schools are presumed to have <br />a less than significant VMT <br />impact. Projects that generate <br />less than 110 daily trips do not <br />require VMT analysis. <br />• VMT analysis using OCTAM <br />A significant impact would <br />A significant impact would occur <br />forecast of total daily VMT/SP. <br />occur if the project generates <br />if the project is determined to be <br />VMT/SP above 15% below the <br />inconsistent with the RTP/SCS. <br />Countywide average. <br />A significant impact would occur <br />if the project causes total daily <br />VMT within the City to be higher <br />than the no project alternative <br />under cumulative conditions. This <br />analysis should be performed <br />using the 'project effect' method. <br />Transportation Projects (thresholds may apply for SB 743 or GHG purposes) <br />Resolution No. 2019-049 <br />Page 4 of 5 <br />