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Page 7 <br /> <br /> <br />Santa Rita Road at Valley Avenue <br />There were three collisions involving a southbound left- <br />turning vehicle and a northbound through (shown with <br />red arrows). In two of those collisions the southbound <br />vehicle failed to stop at the red light and the third they <br />had not cleared prior to northbound receiving a green <br />light. It should be noted there is already one second of <br />all-red between conflicting phases in the timing plan. <br />This location experiences frequent peak hour <br />congestion which can lead to more aggressive driver <br />behavior. There is a planned project that is designed to <br />improve level of service at this intersection which should <br />adjust driver behavior (Countermeasures PLS-LOS and S03). We will also add yellow backplates to <br />signal heads (Countermeasure S02). <br /> <br />Stoneridge Drive at NB I-680 Off Ramp <br />Four of the five collisions were broadsides with <br />northbound left-turning vehicles hitting eastbound <br />through vehicles (shown with green arrows). In all four <br />collisions the eastbound driver failed to stop at the red <br />light. <br />We will examine visibility of eastbound signal head <br />indications and consider adding an additional traffic <br />signal head for the eastbound direction <br />(Countermeasure S02). <br /> <br />Sunol Boulevard at I-680 <br />All four collisions were broadside/Head-on involving left- <br />turning vehicle either entering or exiting I-680. <br />This pattern of broadside/head-on collisions has been <br />noted through this corridor on previous reports, and this <br />intersection will be signalized as part of the Sunol <br />Boulevard I-680 Interchange Modernization project <br />(Countermeasure NS03). <br />