Various forms of narrowing the road at midroad or intersections, usually by protruding sidewalks into the street from one or more sides. Can be aesthetically pleasing. Helps pedestrians cross. Can be a problem for bicycles, snow removal. Using sidewalks, landscaping or striping to narrow lanes to about 10 feet.
Drivers instinctively slow.
Pedestrian-friendly, creates neighborly scene. Can be tough on bicyclists. Eliminates on-street parking. Raised intersections, changes in road texture. Gets drivers' attention.