bulb-out

== English == === Alternative forms === bulbout === Noun === bulb-out (plural bulb-outs) (traffic engineering) A traffic calming measure that widens the sidewalk for a short distance. (traffic engineering) A round area of pavement that protrudes from one side of a road to accommodate turning vehicles with a wide turning circle. ==== Synonyms ==== (traffic calming measure): curb extension, bump-out, elephant ear, curb bulge, curb bulb (round area of pavement): loon === See also === neckdown === References === Restricted Crossing U-Turn Intersection‎[1], Washington, D.C.: Federal Highway Administration, October 2009, FHWA-HRT-09-059, retrieved 31 January 2017