AgdaPkt 2010-02-01 clsd and regular

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Saltworks Proposal- Transportation Group Summary Report (22 January 2010) 7A - ATTACHMENT NO.4 Page 22 3. Neighborhood I Community Roadways - West of US 101 - Based on the preliminary traffic volumes and trip distributions, the proposed new overcrossing will change the nature of the roadways within the neighborhoods located west of US 101. The east-west roadways (Broadway, Bay, Spring, and Middlefield) will carry additional traffic using the new overcrossing to access the Saltworks development. While some of this traffic will have origins and destinations within the Midpoint Technology Park and surrounding industrial areas, much of the traffic will be traversing the neighborhood/community to access other areas via Woodside Road, Fifth Avenue, EI Camino Real and Broadway. Depending on the impacts and required mitigations, the project analysis would review potential conflicts with Policy BE 29.2 of the existing General Plan to pursue programs that reduce vehicle speeds and cut-through traffic on local streets. The impacts on these roadways would need to be evaluated during a CEQA analysis. 4. Perimeter Road I Seaport Boulevard I Blomquist Street Intersection - Based on the information provided, this intersection may require a grade separation to accommodate the volume of traffic and turning movements. While initial engineering studies considered at-grade solutions for this location, the volume of traffic, mix of vehicle types (autos and large trucks), and the need to connect East Bayshore Road into Seaport Boulevard create the need to consider a grade separation. A grade separation could require property acquisitions at the intersection. In addition, a grade separation could affect access to the nearby properties. Depending on the design of the connection, it may conflict with Policies BE-30.1 and BE-30.3 related to minimizing conflicts between trucks, pedestrians, bicycles, and transit on streets that are designated truck routes and maintaining freight movement capacity to the Port of Redwood City. DMB would need to propose technical specifics for this connection in order to perform an appropriate CEQA analysis. 5. Property Access on Blomquist Street between Seaport Boulevard and Maple Street - As stated above, access for properties in this vicinity could be affected by the connection at Seaport Boulevard and Blomquist Street. If the existing industrial uses are maintained, then the access from Blomquist Street would need to continue to accommodate large trucks. However, it is possible that access patterns can be altered. These access issues should be addressed during a CEQA process. 6. Woodside Road Corridor (Blomquist Street to EI Camino Real) - The project description shows no proposal to widen this section of Woodside Road; however, the widening has been included in the traffic impact fee program. While the parallel transportation system has been designed to provide alternative ways to access the Saltworks project, project traffic will still use the Woodside Road corridor via the direct connection at Seaport Boulevard or the new overcrossing of US 101. The impacts on these roadways would need to be evaluated based on the volumes generated by the travel demand forecast model that is developed for the Saltworks project. 7. US 101 Interchanges - Because the overall Saltworks transportation strategy is to provide parallel roadway capacity along US 101 and provide multiple connections between the parallel roadway and existing roadways, no specific improvements were proposed at the US 101 interchanges (Marsh, Woodside and Whipple). While the parallel roadway system will distribute project traffic to the three major interchanges, these interchanges already are working near or at capacity. Therefore, it will be critical to determine how the project trips will divert or replace existing trips on regional and local networks. The operation of these interchanges would be included in a CEQA analysis to determine the effectiveness of the parallel roadway system in redistributing the traffic and, to determine what further improvements would be needed to serve project generated traffic. 8. Blomquist Street Extension from Maple Street to Whipple Avenue - Preliminary modeling indicated that only two lanes of capacity are needed on Blomquist Street north of Maple Street. However, the demand and capacity of this roadway would need to be revisited once a travel demand model for the project has been developed. If it were determined that there was a need 15