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CITY OF REDWOOD CITY <br />POLICY AD GUIDELIES FOR <br />STOP SIGS O RESIDETIAL STREETS <br /> <br />Description: A regulatory sign placed at intersections. It requires drivers to come to a <br />complete stop and assure that it is safe under the normal right of way rules before proceeding. <br /> <br />Objective: Control of right of way at intersections where there is reason to believe that the <br />intersection does or would not operate within reasonable safety expectations if left to operate as <br />an uncontrolled intersection under the general right of way law. Often this is because of factors <br />which obstruct sight distance for vehicles entering the intersection from conflicting approaches. <br /> <br />eighborhood Traffic Applications: Residents often desire STOP signs as a remedy for <br />perceived collision or pedestrian crossing dangers, as a traffic diversion device, or for speed <br />control. Requests for neighborhood applications frequently become controversial for two <br />reasons. First, traffic engineering practice normally requires objective evidence of need for <br />right of way control, rather than just the perception of danger. Second, the use of STOP signs <br />for diversion or speed control is contrary to traffic engineering evidence and opinion, which <br />argues such STOP applications are ineffective for those purposes. <br /> <br />Prerequisites, Limitations & Constraints: Warrants for STOP signs defined in the California <br />Department of Transportation Traffic Manual are followed at all intersections on streets <br />designated arterials and major collectors. These warrants are incorporated into this document <br />by reference. <br /> <br />Numerous California communities have found that the warrants in the Traffic Manual tend to <br />emphasize the traffic flow function of arterial and major collector streets, and are unresponsive <br />to needs on residential streets. The following warrants, patterned after ones in use in other Bay <br />Area communities, are to be used in evaluating appropriateness of STOP signs at residential <br />intersections of local access streets or minor collectors with other local access streets. <br /> <br />All-way stop sign installations may be considered on minor residential collectors and local <br />streets where residents of 10 or more nearby dwelling units have signed and submitted a written <br />request. Warrants for installation of all-way stop signs on residential collectors or minor <br />residential streets are satisfied if both of the following conditions exist at an intersection: <br />A. The total volume on the major (busier) street approaches is at least 1,000 vehicles per <br />day, but not more than 4,000, and the total volume on the minor street approaches is at least <br />900 vehicles per day, and at least one of the following conditions exist: <br /> <br /> 1. When 20 or more elementary school children use the intersection going to or from a <br />school or park during an hour when at least 300 vehicles (total from all approaches <br />passing through the crosswalk) are in direct conflict with pedestrians; <br /> <br /> 2. When 20 or more elementary school children use the intersection going to or from a <br />school or park during an hour when the 85th percentile speed is at least 10 mph <br />higher than the posted speed limit, and lower speeds at the intersection are necessary <br />for pedestrian protection (speed measured at or very near the intersection, on the <br />street crossed by pedestrians); <br /> <br />6.3.A. - Page 5