bulb-out

• bulbout

bulb-out (plural bulb-outs)

1. (traffic engineering) A traffic calming measure that widens the sidewalk for a short distance.
2. (traffic engineering) A round area of pavement that protrudes from one side of a road to accommodate turning vehicles with a wide turning circle.

• (traffic calming measure): curb extension, bump-out, elephant ear, curb bulge, curb bulb
• (round area of pavement): loon

• neckdown

• Restricted Crossing U-Turn Intersection‎^[1], Washington, D.C.: Federal Highway Administration, October 2009, FHWA-HRT-09-059, retrieved 31 January 2017