3 ms·A curb cut on a sidewalk is a pretty well defined piece of civil engineering.by lamontcg 4y agoA curb cut on a sidewalk is a pretty well defined piece of civil engineering.Macha 4y agoSo are captions for video content?ruined 4y agocurb cuts on sidewalks are the classic example of an obvious, commonplace accessibility accommodation that is standard now, but was initially only gained via unauthorized direct action