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Curb Extensions Curb extensions, also called chokers or bulb -outs, narrow the street by <br /> widening the sidewalks or landscaped parking strip. They are used to make pedestrian crossings <br /> shorter, and therefore easier and safer. They also narrow the area of pavement and travel lane <br /> widths providing a visual cue to the driver that caution is necessary. Where curb extensions are <br /> constructed by widening the landscaped parking strip, they can have a positive effect on visual <br /> appearance of a neighborhood.. . <br /> Curb extensions can be used at intersections to create a street gateway or threshold effect, <br /> visually announcing an entrance to a residential neighborhood. At intersections, curb extensions <br /> are normally used in conjunction with a stop sign or traffic signal; in these locations when curb <br /> extensions are designed with a raised crosswalk and/or a landscaped median, the effect on street <br /> appearance and vehicle turning speeds can be pronounced. Dimensions of curb extensions <br /> depend on a variety of factors including the desired design speed of the street and the turning <br /> radius required for city street sweepers. <br /> * *INSERT PHOTO ** <br /> c 217 <br />