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44 <br /> <br />Corridor Treatments for Traffic Calming <br />Chicanes and Chokers <br />Chicanes slow traffic by creating a serpentine travel path through alternating street <br />features on opposite sides of the street. Chokers narrow the road in midblock locations <br />through the application of curb extensions (or on-street parallel parking) on both sides of <br />the street. Chicanes and chokers may be designed to integrate stormwater drainage <br />catchments, street tree planting, benches, bicycle parking, and other amenities. <br /> <br />Guidance <br />• Chicanes are appropriate for low-volume, local streets. Avoid using them on streets <br />with higher volumes of bus, freight, or emergency service activity. Chokers may be <br />used on arterials, collectors, and local streets. <br />• Chicanes must meet requirements for horizontal tapers per the California MUTCD. <br />• Use mountable curbs to accommodate larger motor vehicles while maintaining tight <br />turn radii to slow people driving. <br />• Include vertical elements like plantings or reflective signs to alert drivers. <br />Considerations <br />• Consult with fire department to minimize impacts to emergency services. <br />• If existing drainage patterns must be maintained, consider constructing a 2’ <br />drainage channel between the chicane island and curb.