Revised Traffic Study for: San Leandro Kaiser Medical Center plus Mixed-Use Retail Development Prepared for: PBS&J and the City of San Leandro Submitted by: 180 Grand Avenue, Suite 250 Oakland, CA 94612 Phone: (510) 839-1742 x103; Fax: (510) 839-0871 April 06, 2010 www.dowlinginc.com Contact: Damian Stefanakis April 06, 2010 Post Buckley Shue & Jernigan 353 Sacramento Street, Suite 1000 San Francisco, CA 94111 Attn: Michael Kay, Project Manager Subject: Revised Traffic Report for the San Leandro Kaiser Medical P09066 Center and Mixed-Use Retail Development Project Dear Mr. Kay, Dowling Associates is pleased to submit the revised traffic report for the San Leandro Kaiser Medical Center plus Mixed-Use Retail Development Project. The detailed calculations and volume graphics are provided in the attached Technical Appendix. Sincerely, Dowling Associates, Inc. Damian Stefanakis Debbie Chan Yueh, AICP Principal Senior Transportation Planner Table of Contents Introduction .............................................................................................................................. 6 Environmental Setting .............................................................................................................. 7 Background and Terminology .................................................................................. 7 Study Area ................................................................................................................ 8 Existing (2007) Traffic Conditions ......................................................................... 31 Regulatory Setting ................................................................................................. 38 Impact Analysis....................................................................................................................... 40 Thresholds of Significance...................................................................................... 40 Approach and Methodology.................................................................................... 43 Project Analysis ...................................................................................................... 51 Baseline (2015) Conditions .................................................................................... 59 Cumulative (2030) Conditions ............................................................................... 68 Congestion Management Program (CMP) Analysis................................................ 85 Site Access and Circulation .................................................................................. 101 Parking ................................................................................................................. 103 Impacts and Mitigation Measures......................................................................................... 104 Baseline plus Kaiser Medical Center Phase 1 ....................................................... 104 Baseline plus Kaiser Medical Center Phase 1 plus Mixed-Use Retail Development .............................................................................................................................. 107 Cumulative Conditions plus Kaiser Medical Center Phase 1 plus Mixed-Use Retail Development ........................................................................................................ 109 Cumulative Conditions plus Kaiser Medical Center Phase 1 plus Mixed-Use Retail Development with the Aladdin Avenue Extension ............................................... 114 Cumulative Conditions plus Kaiser Medical Center Build-Out plus Mixed-Use Retail Development ........................................................................................................ 120 Cumulative Year (2030) Conditions with Kaiser Medical Center Build-Out plus Mixed-Use Retail Development with the Aladdin Avenue Extension................... 124 Queuing Analysis .................................................................................................. 131 Alternatives ........................................................................................................................... 139 Glossary................................................................................................................................. 145 References ............................................................................................................................ 146 Technical Appendix ............................................................................................................... 147 List of Figures Figure 1: Project Site and Study Area ................................................................................................ 9 Figure 2: Marina Boulevard Interchange Concept Plan....................................................................... 14 Figure 3: Existing AC Transit and LINKS Shuttle Service in the Study Area .......................................... 17 Figure 4: Existing and Planned Bikeways in the Study Area................................................................ 24 Figure 5: Study Area Map with Numbered Intersections .................................................................... 31 Figure 6: Site Circulation and Parking for the Kaiser Medical Center.................................................... 53 Figure 7: Project Trip Distribution.................................................................................................... 58 List of Tables Table 1: BART Service from San Leandro and Bay Fair Stations.......................................................... 15 Table 2: AC Transit Bus Service in the Study Area............................................................................. 18 Table 3: Bicyclist Intersection Volumes ............................................................................................ 21 Table 4: Pedestrian Intersection Volumes......................................................................................... 26 Table 5: Study Intersections ........................................................................................................... 30 Table 6: Twenty-Four Hour Vehicle Counts....................................................................................... 32 Table 7: Weekday Truck Counts and Percentages ............................................................................. 34 Table 8: Saturday Truck Counts and Percentages ............................................................................. 35 Table 9: Intersection LOS for Existing AM, PM, and Saturday Peak Hours............................................ 36 Table 10: Freeway LOS for Existing AM & PM Peak hours .................................................................. 37 Table 11: Existing Year Freeway Ramp Queue (in feet) ..................................................................... 37 Table 12: HCM Level of Service Threshold for Unsignalized Intersections ............................................ 48 Table 13: HCM Level of Service Threshold for Signalized Intersections................................................ 49 Table 14: Level of Service Criteria – Freeway Mainline....................................................................... 50 Table 15: Project Trip Generation................................................................................................... 56 Table 16: Intersection LOS for Baseline No Project Conditions - AM, PM and Saturday Peak Hours........ 60 Table 17: Freeway Analysis for Baseline Conditions - AM and PM Peak Hours ...................................... 61 Table 18: Freeway Ramp Queue for Baseline Conditions (in feet)...................................................... 61 Table 19: Weekday Peak hour Intersection LOS for Baseline Conditions with and without Kaiser Medical Center Phase 1 ...................................................................................................................... 63 Table 20: Freeway Operations for Baseline Conditions with Kaiser Medical Center Phase 1 ................... 64 Table 21: Freeway Ramp Queue for Baseline Conditions with Kaiser Medical Center Phase 1 (in feet) .. 64 Table 22: Weekday Peak hour Intersection LOS for Baseline Conditions with and without Kaiser Medical Center Phase 1 plus Mixed-Use Retail Development .................................................................. 66 Table 23: Freeway Operations for Baseline Conditions with Kaiser Medical Center Phase 1 plus Mixed-Use Retail Development ................................................................................................................ 67 Table 24: Freeway Ramp Queue for Baseline Conditions with Kaiser Medical Center Phase 1 plus Mixed- Use Retail Development (in feet) ............................................................................................. 67 Table 25: Intersection LOS for Cumulative No Project Conditions - AM, PM, and Saturday Peak Hours.. 70 Table 26: Freeway Analysis for Cumulative No Project Conditions - AM and PM Peak hours ................. 71 Table 27: Freeway Ramp Queue (in feet) for Cumulative No Project Conditions.................................. 71 Table 28: Intersection LOS for Cumulative (2030) with and without Kaiser Medical Center Phase 1 plus Mixed-Use Retail Development ................................................................................................ 73 Table 29: Freeway Operations for Cumulative Conditions plus Kaiser Medical Center Phase 1 plus