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s • INTRODUCTION AND SUMMARY Introduction This report presents the results of TJKM's traffic impact analysis of the proposed San Leandro Creekside Plaza Business Park development in the City of San Leandro. This site is located north of Davis Street between San Leandro Boulevard on the west and Carpentier Street on the east. The proposed project would consist of three phases, with Phase I consisting of 80,000 square feet (s.£), including a 2,500 to 3,500 s.f. restaurant serving the business park employees. Phase II would consist of 50,000 s.f. of office space, and Phase III would consist of 50,000 s.f. of office space and a con esponding parking structure for 503 vehicles. Access to the business park would be from two driveways on San Leandro Boulevard and one driveway on Carpentier Street. A worst-case scenario of the total buildout of 180,000 s.f. of office space was evaluated. The study area is shown in Figure 1. The purpose of this study is to evaluate the traffic impacts of the proposed project upon the nearby street system. The study approach was to determine if any nearby intersections are projected to operate at worse than Level of Service (LOS) D and to determine what mitigations would be necessary if level of service standards are exceeded. Seven intersections were analyzed for this study. These are listed below and shown in Figure 1. 1. Davis Street/East 14th Street 2. Davis Street/Hays Street 3. Davis Street/Carpentier Street 4. Davis Street/San Leandro Boulevard 5. Davis Street/Alvarado Street 6. Davis Street/Wayne Avenue/Preda Street 7. Davis Street/Pierce Avenue/Douglas Drive Three near-term scenarios were addressed in the study: Existing Conditions - Current (1999) traffic volumes and roadway conditions. Existing plus Project -This scenario adds traffic from the proposed project to the current (1999) traffic volumes. Existing plus Project plus Future Projects -Similar to the Existing plus Project Scenario but with traffic added from future developments near the Project in the City of San Leandro. Summary Under Existing Conditions, six of the seven study intersections operate at acceptable service levels. The intersection of Davis Street/Carpentier Street operates at LOS F. Under the Existing plus Project and Future Growth Scenarios, all of the study intersections are projected to continue to operate at similar service levels to Existing Conditions. The intersection of Davis Street/Carpentier .Street is expected to continue to operate at LOS F. There would not be any significant traffic impacts at the study intersections due to the proposed project. San Leandro Creekside Plaza Business Park Traffic Study ~ Page 1 TJKM Transportation Consultants October 26, 1999