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Mike Tassano January 31, 2025 <br />Page 10 of 37 <br />Traffic Volumes <br />Traffic volumes (weekday AM and PM peak hours) were analyzed on ten key links for approved <br />conditions. The analysis quantifies the volume of traffic diverted from the existing circulation <br />network to El Charro Road. The following eight segments were studied: <br />• El Charro Road north of Stanley Boulevard <br />• Santa Rita Road, north of Valley Avenue <br />• Isabel Avenue (SR 84), north of Stanley Boulevard <br />• Stanley Boulevard, east of Valley Avenue <br />• Bernal Avenue, north of Vineyard Avenue <br />• Stoneridge Drive, east of Santa Rita Road <br />• Valley Avenue, north of Stanley Boulevard <br />• First Street, north of Bernal Avenue <br />The results of the analysis are presented in Figure 4 and Figure 5 and show that Santa Rita Road <br />gains around 10% additional capacity per direction during the approved year because of the <br />extension. Although, in line with what the existing travel patterns assessment showed, the effect <br />of the extension on Santa Rita Road traffic is lower (less traffic is diverted from Santa Rita Road) in <br />the southbound direction during the AM peak hour. Other roads such as Valley Avenue and <br />Stoneridge Drive also show reduced volumes with the proposed extension. Bernal Avenue and <br />Stanley Boulevard serve as feeders for the El Charro Road extension, and their volumes increase <br />with the extension. Finally, not all the El Charro Road volume increase can be explained by <br />decreases on competing routes, which suggests there is some level of cut-through traffic from <br />I-680 and I-580 as well as induced regional demand.