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Project Trips <br />Project Trip Distribution <br />Figure 8 through Figure I I illustrate the anticipated project inbound and outbound trip distribution <br />pattern for the estimated opening year and long range conditions, extracted from the previous approved <br />traffic study. These figures indicate the proportion of project traffic that will use the street segments <br />and turning movements indicated. According to the previous report, the distribution was originally <br />obtained from the OCTAM model select zone model run. The key difference between the opening year <br />and long range distribution is that an Alton Avenue overpass is proposed at the SR-55 freeway with <br />direct connections to the SR-55 HOV lanes. The HOV interchange was not implemented in project <br />opening year but is to be included in the long range condition. The traffic which will utilize Alton <br />Avenue and the HOV interchange in long range conditions was manually distributed to the parallel <br />roadway - MacArthur Boulevard. <br />The AM and PM peak hour project-only traffic volumes for the Opening Year (2013) are shown in <br />Figure 12 while the AM and PM project-only traffic volumes under the Long Range (2035) Conditions <br />are shown in Figure 13. Future traffic levels in the project vicinity are expected to be changed by the <br />amounts shown on these figures. <br />KOA CORPORATION Updated Main and MacArthur Development Project <br />' PLANNING 8 ENGINEERING 21 Traffic Impact Study in City of Santa Ana <br />75B-153