bulb-out

English

traffic calming measure

Alternative forms

• bulbout

Noun

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.

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, 2009 October, FHWA-HRT-09-059, retrieved January 31, 2017