text: StreetView outdated? Doesnt look like much of a speed bump.
  https://www.google.no/maps/@59.9362934,10.6044742,3a,89.6y,25.08h,60.52t/data=!3m6!1e1!3m4!1syaO8qxfFcbo34N9JZgOxIA!2e0!7i13312!8i6656!6m1!1e1?hl=en
  
  Perhaps "traffic_calming=table" is appropriate?
  
  http://wiki.openstreetmap.org/wiki/Key:traffic_calming