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Legacy Sunflower Apartments Page 100 Mitigated Negative Declaration – March 14, 2019 Table 29 Year 2040 Peak Hour Intersection Capacity Analysis Key Intersection Minimum Acceptable LOS Time Period (1) Existing Traffic Conditions (2) Year 2040 Traffic Conditions (3) Year 2040 Plus Project Traffic Conditions (4) Significant Impact (5) Year 2040 Plus Project Plus Improvements Traffic Conditions ICU/HCM LOS ICU/HCM LOS ICU/HCM LOS Increase Yes/No ICU/HCM LOS 1. Flower Street at MacArthur Boulevard D AM 0.652 B 0.751 C 0.752 C 0.001 No -- -- PM 0.833 D 0.940 E 0.941 E 0.001 No -- -- 2. Bristol Street at Sunflower Avenue51,52 E AM 0.571 A 0.636 B 0.637 B 0.001 No -- -- PM 0.730 C 0.822 D 0.824 D 0.002 No -- -- 3. Flower Street/Sakioka Drive at Sunflower Avenue52,52 D AM 0.493 A 0.534 A 0.542 A 0.008 No -- -- PM 0.543 A 0.601 B 0.609 B 0.008 No -- -- 4. Ross Street at Sunflower Avenue52,52 D AM 13.8 s/v B 16.8 s/v C 17.4 s/v C 0.6 s/v No -- -- PM 22.4 s/v C 27.6 s/v D 32.3 s/v D 4.7 s/v No -- -- Notes:  Bold ICU/LOS or HCM/LOS values indicate adverse service levels based on the Cities LOS standards.  s/v = seconds per vehicle 51 For the intersections with shared jurisdictions with the Cities of Santa Ana and Costa Mesa, the City of Costa Mesa TIA/ICU Guidelines were applied and the corresponding LOS results for Year 2040 Conditions are as follows: 2. Bristol Street at Sunflower Avenue: [AM/PM] ICU = 0.607/0.808, LOS = B/D 3. Flower Street/Sakioka Drive at Sunflower Avenue: [AM/PM] ICU = 0.484/0.560, LOS = A/A 4. Ross Street at Sunflower Avenue: No Change 52 For the intersections with shared jurisdictions with the Cities of Santa Ana and Costa Mesa, the City of Costa Mesa TIA/ICU Guidelines were applied and the corresponding LOS results for Year 2040 Plus Project Conditions are as follows: 2. Bristol Street at Sunflower Avenue: [AM/PM] ICU = 0.609/0.810, LOS = B/D 3. Flower Street/Sakioka Drive at Sunflower Avenue: [AM/PM] ICU = 0.492/0.568, LOS = A/A 4. Ross Street at Sunflower Avenue: No Change 6-122