Laserfiche WebLink
<br />IBC VISION PLAN 2018 TRAFFIC STUDY UPDATE – <br />ALTERNATIVES ANALYSIS <br />Final <br />analysis are presented in Table 3.3. There are 24 intersection deficiencies so compared to the Buildout <br />Cumulative With Update scenario, there is one more intersections that become deficient in the Alternative 2 <br />scenario: #720: Flower at MacArthur Boulevard (Costa Mesa). Further discussion of specific impacts, <br />mitigation, and fair-share cost analysis is addressed in Section 3.7. Based on the Alternative 2 intersection <br />ICU analysis, the following intersections within the study area are forecast to operate at the deficient LOS: <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />#12: SR-55 Frontage Road SB at Baker Street (Costa Mesa) – AM Peak Hour LOS E with a 0.91 ICU <br />#720: Flower at MacArthur Boulevard (Costa Mesa) – AM Peak Hour LOS E with a 0.91 ICU* <br />#98: Von Karman Avenue at Alton Parkway (Irvine) – PM Peak Hour LOS F with a 1.02 ICU <br />#144: Jamboree Road at I-405 SB Ramps (Irvine) – AM Peak Hour LOS F with a 1.06 ICU <br />#145: Jamboree Road at Michelson Drive (Irvine) – PM Peak Hour LOS F with a 1.02 ICU <br />#188: Harvard Avenue at Michelson Drive (Irvine) – PM Peak Hour LOS E with a 0.91 ICU <br />#192: California Avenue at University Drive (Irvine) – AM Peak Hour LOS E with a 0.97 ICU <br />#232: Culver Drive at I-405 NB Ramps (Irvine) – PM Peak Hour LOS E with a 0.92 ICU <br />#84: MacArthur Boulevard at Campus Drive (Irvine/Newport Beach) – PM Peak Hour LOS E with a <br />0.94 ICU <br /> <br /> <br />#44: Red Hill Avenue at Alton Parkway (Irvine / Santa Ana) – PM Peak Hour LOS E with a 0.97 ICU <br />#97: Von Karman Avenue/Tustin Ranch Road at Barranca Parkway (Irvine/Tustin) – PM Peak Hour <br />LOS F with a 1.19 ICU <br />#136: Jamboree Road at Barranca Parkway (Irvine/Tustin) – AM Peak Hour LOS E with a 0.94 ICU and <br />PM Peak Hour LOS E with a 1.11 ICU <br /> <br /> <br />#63: Campus Drive at Bristol Street SB (Newport Beach) – AM Peak Hour LOS E with a 0.93 ICU <br />#543: Bristol at Segerstrom (Santa Ana) – AM Peak Hour LOS E with a 1.00 ICU and PM Peak Hour <br />LOS E with a 0.93 ICU <br /> <br /> <br /> <br />#544: Bristol Street at MacArthur Boulevard (Santa Ana) – PM Peak Hour LOS E with a 0.92 ICU <br />#719: Flower at Segerstrom (Santa Ana) – PM Peak Hour LOS E with a 1.02 ICU* <br />#723: Main Street at Segerstrom (Santa Ana) – AM Peak Hour LOS E with a 1.00 ICU and PM Peak <br />Hour LOS F with a 1.19 ICU <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />#727: Halladay at Dyer (Santa Ana) – PM Peak Hour LOS E with a 1.00 ICU <br />#728: Halladay E at Alton Parkway (Santa Ana) – AM Peak Hour LOS F with a 1.12 ICU <br />#3: Newport Avenue at Edinger Avenue (Tustin) – AM Peak Hour LOS F with a 1.15 ICU <br />#38: Red Hill Avenue at Walnut Avenue (Tustin) – PM Peak Hour LOS E with a 0.94 ICU <br />#40: Red Hill Avenue at Edinger Avenue (Tustin) – PM Peak Hour LOS E with a 0.91 ICU <br />#453: Red Hill Avenue at Valencia Avenue (Tustin) – AM Peak Hour LOS E with a 1.00 ICU <br />#749: Park Avenue at A Street (Tustin) – PM Peak Hour LOS E with a 0.97 ICU <br />*Denotes impact in Alternative 2 Scenario <br />Figure 3.3 and Figure 3.4 graphically present the AM and PM peak hour intersection ICU for deficient <br />intersections for the Alternative 2 scenario. Appendix A presents detailed ICU worksheets. For shared <br />jurisdictions, the more conservative methodology was utilized. <br />Iteris, Inc. | 66 <br />  <br />  <br />City Council 21 – 21 4/16/2024