City of Oxnard - Bicycle and Pedestrian Master Plan Appendices

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City of Oxnard | Bicycle and Pedestrian Master Plan A.8.7. Overview ADA Sidewalks and Path – Grade and Cross Slope Design Summary Preferred Design • Cross slope should not exceed 2 percent. • Longer, steeper grades should have landings every 400 feet where people can rest. Discussion Making sidewalks and paths ADA compliant involves ensuring that the grade and the cross slope of the sidewalk or path is safe for disabled users. Gentle grades are preferred to steep grades due to issues of control, stability and endurance. The cross slope is significant for issues of control, not only for wheelchair users, but for those with difficulty walking. Guidance These treatments should be applied to all sidewalks and paths, especially those on uneven or steep terrain. A.8.8. ADA Curb Ramps - Components and Slope Design Summary Preferred Design • Curb ramps should be designed to accommodate the level of use anticipated at specific locations, e.g. sufficient width for the expected level of peak hour pedestrian volumes and other potential users. • Adequate drainage should be provided to prevent flooding of curb ramps. Tactile strips must be used to assist sight-impaired pedestrians in locating the curb ramp. Discussion The main components of curb ramps are the landing, approach, flare, ramp and gutter. These are necessary to provide a gentle transition between the curb and sidewalk. Various ramp designs may be used to regulate the slope of the ramp. Guidance Ramps are appropriate at the following locations: • All intersections, • Midblock crossings, • Multi-use path and roadway intersections. Alta Planning + Design | A-63
Appendix A | Design Guidelines A.8.9. ADA Curb Ramps - Detectable Warnings Design Summary To meet ADA guidelines, detectable warnings shall consist of raised truncated domes and meet the following requirements: • Diameter of 0.9 in (23 mm) • Height of 0.2 in (5 mm) • Center-to-center spacing of 2.35 in (60 mm) • Contrast visually with adjoining surfaces, either lighton-dark, or dark-on-light Preferred Design Discussion ADA guidelines require all curb ramps include detectable warnings which consist of truncated domes in a contrasting color to the sidewalk and street. The detectable warning area alerts pedestrians with little or no vision they have reached the end of the sidewalk. The warning strip can be felt with a walking cane or with a pedestrians’ foot. Guidance • All existing and new curb ramps A-64 | Alta Planning + Design
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Appendix D | Bicycle Transportation
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City of Oxnard - Bicycle and Pedestrian Master Plan Appendices

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