заграждение означает в английский

barrage [barrages]▼(artificial obstruction, such as a dam, in a river)
noun
[UK: ˈbæ.rɑːʒ] [US: bə.ˈrɑːʒ]

fencing▼(fences used as barriers or an enclosure)
noun
[UK: ˈfens.ɪŋ] [US: ˈfens.ɪŋ]

roadblock [roadblocks]▼(Something that blocks or obstructs a road)
noun
[UK: ˈrəʊd.blɒk] [US: ˈroʊd.blɑːk]