bulb out
n.— «The four corners at these intersections will now be extended, Feldman said, explaining that the technical term is bulb out. Basically, the corners will be expanded so they jut out past the area where vehicles can park along the curb.» —“Odessa’s traffic improvements plan hits bump” by Ann Rundle Odessa American (Texas) Apr. 22, 2005. (source: Double-Tongued Dictionary)