 Today's coved designs have better vehicular flow reducing energy and time in transit, direct and connective pedestrian systems with safer and elegant meandering walks, as well as curve radii standards that reduce excessive infrastructure of early designs.These comparisons are for traditional curved subdivision designs as well as the New Urbanism or smart growth methods of planning.In the top two images on this page, the before TND, or Smart Growth design has 54 street intersections and 38% more street length than the coved design of the same housing mix and density.