1. A hindrance to speeding created by a crosswise ridge in the surface of a roadway
   "The new judder bars in the neighbourhood effectively slowed down traffic";
   - speed bump, speed hump [Brit], sleeping policeman [Brit, informal]

Derived forms: judder bars

Type of: encumbrance, hinderance [rare], hindrance, hitch, incumbrance, preventative, preventive

Encyclopedia: Judder bar