City of Oxnard - Bicycle and Pedestrian Master Plan Appendices

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City of Oxnard | Bicycle and Pedestrian Master Plan A.8.10. ADA Curb Ramps - Design and Location Design Summary Preferred Design • Perpendicular curb ramps should be used at large intersections. • Curb ramps should be aligned with crosswalks, unless they are installed in a retrofitting effort and are located in an area with low vehicular traffic. • The minimum width of a curb ramp should be 48 inches, in accordance with ADA Guidelines. Discussion Curb ramps are necessary for people who use wheelchairs to access sidewalks and crosswalks. ADA requires the installation of curb ramps in new sidewalks, as well as retrofitting existing sidewalks. Curb ramps may be placed at each end of the crosswalk (perpendicular curb ramps), or between crosswalks (diagonal curb ramps). Perpendicular Curb Ramp The ramp may be formed by drawing the sidewalk down to meet the street level, or alternately building up a ramp to meet the sidewalk. Diagonal Curb Ramp Alta Planning + Design | A-65
Appendix A | Design Guidelines A.8.11. Crosswalks Design Summary The City of Oxnard’s standard crosswalk design is transverse lines, also referred to as horizontal bars The piano key design, also referred to as the zebra design should be used in high pedestrian traffic areas or as determined necessary by the City Traffic Engineer. • The width of crosswalks should be a minimum of 10 feet. Unless small-scale intersection conditions dictate otherwise, widths should be increased where there is a greater amount of pedestrian activity. • Crosswalks should be adequately lit. • Marked crosswalks should be considered for uncontrolled crossing locations if there are no controlled crossings (by a traffic signal or stop sign) within 600 feet of the proposed crossing location (provided that the other guidelines presented here are met). • The stripes in parallel pavement marking crosswalks should be placed 10 feet apart. In situations where the crosswalk must be narrower, the minimum distance for parallel striping is 6 feet apart. • Ladder pavement markings should feature 2 foot wide by 10 foot long bars. Preferred Design Discussion One of the most effective means of turning an important corridor into a community "spine" or "seam," rather than a "divider," is providing for safe street crossings. Communities frequently elect to install crosswalks at limited locations, such as only on certain legs of an intersection, or infrequently across a multi-lane arterial in order to promote vehicular circulation. These decisions do not eliminate pedestrian use of these roadways and intersections, but they make travel more difficult for existing pedestrians. Roadway geometry, traffic volumes and speeds, and signal configuration and timing must be carefully considered as a part of all new crosswalk installations and retrofits. The diagram below shows general guidelines for crosswalk placement on multiple roadway types. Crosswalks at intersections should be striped in a manner that alerts motorists to the presence of pedestrians. The striping pattern should reflect the level of pedestrian traffic and location of the crosswalk. Piano key crosswalks should be used in hightraffic pedestrian areas, while crosswalks with parallel line striping should be used at low-traffic residential intersections. Parallel line striping should be adequate for most signalized or stop controlled intersections, although Piano key striping may be used if necessary (for example, if the site has a history of pedestrian collisions). A-66 | Alta Planning + Design
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City of Oxnard - Bicycle and Pedestrian Master Plan Appendices

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