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• Return RadiiDesign <br />Effect of • Radii on <br />Pedestrian Crossing Distances <br />Figure 10 <br />Setback•• <br />Sidewalk with planting strip <br />Centerline <br />% of crosswalk <br />\-� 6 plantingstrip 25'R <br />5' wide sidewalk <br />50'R <br />-.e 26' wide street <br />Crossing Increase Fbrcent <br />Radius Distance Crossing Increase <br />15 feet 26 feet +0 feet 0% <br />25 feet 36 feet +10 feet 38% <br />50 feet 65 feet +39 feet 150% <br />Curbside SidewalkSidewalk at ,, Centerline <br />Of crosswalk <br />6' wide sidewalk 25'R <br />50'R <br />- 26' wide street <br />Crossing Increase Percent <br />Radius Distance Crossing Increase <br />15 feet 37 feet +11 feet 42% <br />25 feet 50 feet +24 feet 92% <br />50 feet 89 feet +53 feet 203% <br />27) Install bicycle detectors at traffic -actuated <br />intersections. Provide pavement markings <br />identifying the location of the detector. If bicycle <br />detectors cannot be installed, provide pedestrian <br />pushbuttons accessible from bicycle lanes. <br />28) Curb return radii and the configuration of <br />medians must be designed to facilitate pedestrian <br />crossings, while accommodating bus and major <br />freight movement. Primary design consideration <br />shall be for pedestrian movements. (See Figure 10). <br />Right• Lane Design <br />Figure 11 <br />Cut through medians and <br />islands for pedestrians 112° <br />visibility 3 <br />Grassva�Ik' _ <br />-25' to 40' <br />radius <br />depending <br />on design <br />vehicle <br />20° _ 501 to 601 <br />visibility+ ° angle between <br />vehicle flows <br />`Vehicle speeds 14 to <br />18 mph, good visibility <br />0 ' of pedestrians <br />0 i Bicycle Lane <br />29 <br />